diff --git a/angular.json b/angular.json
index 1212f1aacfaf3e46301dff2ac128dcbfc9311c8d..c642009fb8337abfc2cde76efaef240c0e792bd3 100644
--- a/angular.json
+++ b/angular.json
@@ -133,6 +133,41 @@
           }
         }
       }
+    },
+    "coloration": {
+      "root": "projects/coloration",
+      "sourceRoot": "projects/coloration/src",
+      "projectType": "library",
+      "prefix": "lib",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-ng-packagr:build",
+          "options": {
+            "tsConfig": "projects/coloration/tsconfig.lib.json",
+            "project": "projects/coloration/ng-package.json"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "projects/coloration/src/test.ts",
+            "tsConfig": "projects/coloration/tsconfig.spec.json",
+            "karmaConfig": "projects/coloration/karma.conf.js"
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "projects/coloration/tsconfig.lib.json",
+              "projects/coloration/tsconfig.spec.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        }
+      }
     }
   },
   "defaultProject": "coloration-demo"
diff --git a/package-lock.json b/package-lock.json
index 5806478b5f465023487bceba5c15c2fb92c5a7f7..daaecfeabd7fedcbb1a8b27f2173d00e2662eee2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -69,6 +69,18 @@
         "webpack-subresource-integrity": "1.1.0-rc.6"
       }
     },
+    "@angular-devkit/build-ng-packagr": {
+      "version": "0.10.7",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/build-ng-packagr/-/build-ng-packagr-0.10.7.tgz",
+      "integrity": "sha512-u2HYYOxfKizZ96YR+ZVOB7zuD8ByJh1AWYCOQCQKP5IXC/Ax55u8C+GA6NeKcVYKVvz1HKX/+JiEfSfJoQCJAw==",
+      "dev": true,
+      "requires": {
+        "@angular-devkit/architect": "0.10.7",
+        "@angular-devkit/core": "7.0.7",
+        "rxjs": "6.3.3",
+        "semver": "5.5.1"
+      }
+    },
     "@angular-devkit/build-optimizer": {
       "version": "0.10.7",
       "resolved": "https://registry.npmjs.org/@angular-devkit/build-optimizer/-/build-optimizer-0.10.7.tgz",
@@ -716,6 +728,12 @@
         }
       }
     },
+    "@ngtools/json-schema": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@ngtools/json-schema/-/json-schema-1.1.0.tgz",
+      "integrity": "sha1-w6DFRNYjkqzCgTpCyKDcb1j4aSI=",
+      "dev": true
+    },
     "@ngtools/webpack": {
       "version": "7.0.7",
       "resolved": "https://registry.npmjs.org/@ngtools/webpack/-/webpack-7.0.7.tgz",
@@ -754,6 +772,12 @@
         "semver-intersect": "1.4.0"
       }
     },
+    "@types/estree": {
+      "version": "0.0.39",
+      "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
+      "integrity": "sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==",
+      "dev": true
+    },
     "@types/jasmine": {
       "version": "2.8.15",
       "resolved": "https://registry.npmjs.org/@types/jasmine/-/jasmine-2.8.15.tgz",
@@ -1058,6 +1082,48 @@
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
       "dev": true
     },
+    "ansi-align": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
+      "integrity": "sha1-w2rsy6VjuJzrVW82kPCx2eNUf38=",
+      "dev": true,
+      "requires": {
+        "string-width": "^2.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
     "ansi-colors": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.3.tgz",
@@ -1127,7 +1193,6 @@
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-      "optional": true,
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@@ -1215,8 +1280,7 @@
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       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "asn1": {
       "version": "0.2.4",
@@ -1292,8 +1356,7 @@
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       "resolved": "https://registry.npmjs.org/async-foreach/-/async-foreach-0.1.3.tgz",
       "integrity": "sha1-NhIfhFwFeBct5Bmpfb6x0W7DRUI=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "async-limiter": {
       "version": "1.0.0",
@@ -1410,6 +1473,25 @@
         "babel-runtime": "^6.22.0"
       }
     },
+    "babel-polyfill": {
+      "version": "6.23.0",
+      "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.23.0.tgz",
+      "integrity": "sha1-g2TKYt+Or7gwSZ9pkXdGbDsDSZ0=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.10.0"
+      },
+      "dependencies": {
+        "regenerator-runtime": {
+          "version": "0.10.5",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
+          "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
+          "dev": true
+        }
+      }
+    },
     "babel-runtime": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
@@ -1600,7 +1682,6 @@
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
       "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
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-      "optional": true,
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         "inherits": "~2.0.0"
       }
@@ -1666,6 +1747,60 @@
         "multicast-dns-service-types": "^1.1.0"
       }
     },
+    "boxen": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
+      "integrity": "sha512-TNPjfTr432qx7yOjQyaXm3dSR0MH9vXp7eT1BFSl/C51g+EFnOR9hTg1IreahGBmDNCehscshe45f+C1TBZbLw==",
+      "dev": true,
+      "requires": {
+        "ansi-align": "^2.0.0",
+        "camelcase": "^4.0.0",
+        "chalk": "^2.0.1",
+        "cli-boxes": "^1.0.0",
+        "string-width": "^2.0.0",
+        "term-size": "^1.2.0",
+        "widest-line": "^2.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1925,15 +2060,13 @@
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       "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "camelcase-keys": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
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@@ -1951,6 +2084,12 @@
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       "dev": true
     },
+    "capture-stack-trace": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz",
+      "integrity": "sha512-mYQLZnx5Qt1JgB1WEiMCf2647plpGeQ2NMR/5L0HNZzGQo4fuSPnK+wjfPnKZV0aiJDgzmWqqkV/g7JD+DW0qw==",
+      "dev": true
+    },
     "caseless": {
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       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -2010,6 +2149,12 @@
         "tslib": "^1.9.0"
       }
     },
+    "ci-info": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.6.0.tgz",
+      "integrity": "sha512-vsGdkwSCDpWmP80ncATX7iea5DWQemg1UgCW5J8tqjU3lYw4FBYuj89J0CTVomA7BEfvSZd84GmHko+MxFQU2A==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
@@ -2072,6 +2217,12 @@
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+    "cli-boxes": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/cli-boxes/-/cli-boxes-1.0.0.tgz",
+      "integrity": "sha1-T6kXw+WclKAEzWH47lCdplFocUM=",
+      "dev": true
+    },
     "cli-cursor": {
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       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
@@ -2283,6 +2434,20 @@
         "typedarray": "^0.0.6"
       }
     },
+    "configstore": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/configstore/-/configstore-3.1.2.tgz",
+      "integrity": "sha512-vtv5HtGjcYUgFrXc6Kx747B83MRRVS5R1VTEQoXvuP+kMI+if6uywV0nDGoiydJRy4yk7h9od5Og0kxx4zUXmw==",
+      "dev": true,
+      "requires": {
+        "dot-prop": "^4.1.0",
+        "graceful-fs": "^4.1.2",
+        "make-dir": "^1.0.0",
+        "unique-string": "^1.0.0",
+        "write-file-atomic": "^2.0.0",
+        "xdg-basedir": "^3.0.0"
+      }
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@@ -2337,8 +2502,7 @@
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       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "constants-browserify": {
       "version": "1.0.0",
@@ -2460,6 +2624,15 @@
         "elliptic": "^6.0.0"
       }
     },
+    "create-error-class": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
+      "integrity": "sha1-Br56vvlHo/FKMP1hBnHUAbyot7Y=",
+      "dev": true,
+      "requires": {
+        "capture-stack-trace": "^1.0.0"
+      }
+    },
     "create-hash": {
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       "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
@@ -2492,7 +2665,6 @@
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         "which": "^1.2.9"
@@ -2517,6 +2689,12 @@
         "randomfill": "^1.0.3"
       }
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+    "crypto-random-string": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
+      "integrity": "sha1-ojD2T1aDEOFJgAmUB5DsmVRbyn4=",
+      "dev": true
+    },
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@@ -2549,6 +2727,12 @@
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       "dev": true
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+    "cuint": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/cuint/-/cuint-0.2.2.tgz",
+      "integrity": "sha1-QICG1AlVDCYxFVYZ6fp7ytw7mRs=",
+      "dev": true
+    },
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@@ -2618,6 +2802,12 @@
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       "dev": true
     },
+    "deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "dev": true
+    },
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@@ -2739,8 +2929,7 @@
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-      "dev": true,
-      "optional": true
+      "dev": true
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@@ -2860,6 +3049,21 @@
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       "dev": true
     },
+    "dot-prop": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
+      "integrity": "sha512-tUMXrxlExSW6U2EXiiKGSBVdYgtV8qlHL+C10TsW4PURY/ic+eaysnSkwB4kA/mBlCyy/IKDJ+Lc3wbWeaXtuQ==",
+      "dev": true,
+      "requires": {
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+    "duplexer3": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
+      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
+      "dev": true
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@@ -2921,6 +3125,15 @@
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+      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
+      "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
+      "dev": true,
+      "requires": {
+        "iconv-lite": "~0.4.13"
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@@ -3132,6 +3345,12 @@
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+    "estree-walker": {
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+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.5.2.tgz",
+      "integrity": "sha512-XpCnW/AE10ws/kDAs37cngSkvgIR8aN3G0MS85m7dUpuK2EREo9VJ00uvw6Dg/hXEpfsE1I1TvJOJr+Z+TL+ig==",
+      "dev": true
+    },
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@@ -3636,6 +3855,12 @@
         "pkg-dir": "^2.0.0"
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+    "find-parent-dir": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/find-parent-dir/-/find-parent-dir-0.3.0.tgz",
+      "integrity": "sha1-M8RLQpqysvBkYpnF+fcY83b/jVQ=",
+      "dev": true
+    },
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@@ -3747,6 +3972,17 @@
         "null-check": "^1.0.0"
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+    "fs-extra": {
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+    "update-notifier": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-2.5.0.tgz",
+      "integrity": "sha512-gwMdhgJHGuj/+wHJJs9e6PcCszpxR1b236igrOkUofGhqJuG+amlIKwApH1IW1WWl7ovZxsX49lMBWLxSdm5Dw==",
+      "dev": true,
+      "requires": {
+        "boxen": "^1.2.1",
+        "chalk": "^2.0.1",
+        "configstore": "^3.0.0",
+        "import-lazy": "^2.1.0",
+        "is-ci": "^1.0.10",
+        "is-installed-globally": "^0.1.0",
+        "is-npm": "^1.0.0",
+        "latest-version": "^3.0.0",
+        "semver-diff": "^2.0.0",
+        "xdg-basedir": "^3.0.0"
+      }
+    },
     "uri-js": {
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
@@ -9822,6 +10804,15 @@
         "requires-port": "^1.0.0"
       }
     },
+    "url-parse-lax": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
+      "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
+      "dev": true,
+      "requires": {
+        "prepend-http": "^1.0.1"
+      }
+    },
     "use": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
@@ -10423,19 +11414,59 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
       "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
       "dev": true,
-      "optional": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
     },
+    "widest-line": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
+      "integrity": "sha512-Ba5m9/Fa4Xt9eb2ELXt77JxVDV8w7qQrH0zS/TWSJdLyAwQjWoOzpzj5lwVftDz6n/EOu3tNACS84v509qwnJA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^2.1.1"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -10467,6 +11498,17 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write-file-atomic": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.3.0.tgz",
+      "integrity": "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
+      }
+    },
     "ws": {
       "version": "3.3.3",
       "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
@@ -10478,6 +11520,12 @@
         "ultron": "~1.1.0"
       }
     },
+    "xdg-basedir": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
+      "integrity": "sha1-SWsswQnsqNus/i3HK2A8F8WHCtQ=",
+      "dev": true
+    },
     "xml2js": {
       "version": "0.4.19",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
@@ -10520,6 +11568,15 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
     },
+    "xxhashjs": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/xxhashjs/-/xxhashjs-0.2.2.tgz",
+      "integrity": "sha512-AkTuIuVTET12tpsVIQo+ZU6f/qDmKuRUcjaqR+OIvm+aCBsZ95i7UVY5WJ9TMsSaZ0DA2WxoZ4acu0sPH+OKAw==",
+      "dev": true,
+      "requires": {
+        "cuint": "^0.2.2"
+      }
+    },
     "y18n": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
@@ -10537,7 +11594,6 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
       "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
       "dev": true,
-      "optional": true,
       "requires": {
         "camelcase": "^3.0.0",
         "cliui": "^3.2.0",
@@ -10558,15 +11614,13 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
           "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "y18n": {
           "version": "3.2.1",
           "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
           "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
@@ -10575,7 +11629,6 @@
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
       "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
       "dev": true,
-      "optional": true,
       "requires": {
         "camelcase": "^3.0.0"
       },
@@ -10584,8 +11637,7 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
           "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index a74f0d100fdfdc722348ddcf49df13ea06008d42..d155d748aee6712b66d4fa2473c8e95a40dfe02e 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.10.0",
+    "@angular-devkit/build-ng-packagr": "~0.10.0",
     "@angular/cli": "~7.0.4",
     "@angular/compiler-cli": "~7.0.0",
     "@angular/language-service": "~7.0.0",
@@ -40,8 +41,11 @@
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^0.2.2",
+    "ng-packagr": "^4.2.0",
     "protractor": "~5.4.0",
     "ts-node": "~7.0.0",
+    "tsickle": ">=0.29.0",
+    "tslib": "^1.9.0",
     "tslint": "~5.11.0",
     "typescript": "~3.1.1"
   }
diff --git a/projects/coloration/karma.conf.js b/projects/coloration/karma.conf.js
new file mode 100644
index 0000000000000000000000000000000000000000..4c5f8d03f95197ce2bc26303b8f04128abb05a14
--- /dev/null
+++ b/projects/coloration/karma.conf.js
@@ -0,0 +1,31 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function (config) {
+  config.set({
+    basePath: '',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client: {
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, '../../coverage'),
+      reports: ['html', 'lcovonly'],
+      fixWebpackSourcePaths: true
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false
+  });
+};
diff --git a/projects/coloration/ng-package.json b/projects/coloration/ng-package.json
new file mode 100644
index 0000000000000000000000000000000000000000..3ce5a2ec2b4798a13b603ce28f612bfbb6a3c3de
--- /dev/null
+++ b/projects/coloration/ng-package.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "../../node_modules/ng-packagr/ng-package.schema.json",
+  "dest": "../../dist/coloration",
+  "lib": {
+    "entryFile": "src/public_api.ts"
+  }
+}
\ No newline at end of file
diff --git a/projects/coloration/package.json b/projects/coloration/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..a2daacb3506f163200dbf352f5cb82905f1077b8
--- /dev/null
+++ b/projects/coloration/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "coloration",
+  "version": "0.0.1",
+  "peerDependencies": {}
+}
\ No newline at end of file
diff --git a/projects/coloration/src/lib/coloration.ts b/projects/coloration/src/lib/coloration.ts
new file mode 100644
index 0000000000000000000000000000000000000000..329638816a5e611fbbcf49dd34e5871ade7c76bc
--- /dev/null
+++ b/projects/coloration/src/lib/coloration.ts
@@ -0,0 +1,121 @@
+
+// tslint:disable:no-bitwise
+
+const pattern = {
+    hexa: /^^#?(([\da-f]{3})(([\da-f]{3})([\da-f]{2})?|[\da-f]{1})?)$/i,
+    rgba: /^rgba?\(([\d]*(\.[\d]+)?)(,?\s*|\s+)([\d]*(\.[\d]+)?)(,?\s*|\s+)([\d]*(\.[\d]+)?)((,\s*)([\d]*(\.[\d]+)?))?\)$/i
+};
+
+export class Coloration {
+
+    static colorsName: any = {
+        // CSS 1
+        black: '#000000', silver: '#c0c0c0', gray: '#808080', white: '#ffffff', maroon: '#800000', red: '#ff0000',
+        purple: '#800080', fuchsia: '#ff00ff', green: '#008000', lime: '#00ff00', olive: '#808000', yellow: '#ffff00',
+        navy: '#000080', blue: '#0000ff', teal: '#008080', aqua: '#00ffff',
+        // CSS 2 (Revision 1)
+        orange: '#ffa500',
+        // CSS 3
+        aliceblue: '#f0f8ff', antiquewhite: '#faebd7', aquamarine: '#7fffd4', azure: '#f0ffff', beige: '#f5f5dc',
+        bisque: '#ffe4c4', blanchedalmond: '#ffebcd', blueviolet: '#8a2be2', brown: '#a52a2a', burlywood: '#deb887',
+        cadetblue: '#5f9ea0', chartreuse: '#7fff00', chocolate: '#d2691e', coral: '#ff7f50', cornflowerblue: '#6495ed',
+        cornsilk: '#fff8dc', crimson: '#dc143c', cyan: '#00ffff', deaqua: '#00ffff', darkblue: '#00008b',
+        darkcyan: '#008b8b', darkgoldenrod: '#b8860b', darkgray: '#a9a9a9', darkgreen: '#006400', darkgrey: '#a9a9a9',
+        darkkhaki: '#bdb76b', darkmagenta: '#8b008b', darkolivegreen: '#556b2f', darkorange: '#ff8c00',
+        darkorchid: '#9932cc', darkred: '#8b0000', darksalmon: '#e9967a', darkseagreen: '#8fbc8f',
+        darkslateblue: '#483d8b', darkslategray: '#2f4f4f', darkslategrey: '#2f4f4f', darkturquoise: '#00ced1',
+        darkviolet: '#9400d3', deeppink: '#ff1493', deepskyblue: '#00bfff', dimgray: '#696969', dimgrey: '#696969',
+        dodgerblue: '#1e90ff', firebrick: '#b22222', floralwhite: '#fffaf0', forestgreen: '#228b22',
+        gainsboro: '#dcdcdc', ghostwhite: '#f8f8ff', gold: '#ffd700', goldenrod: '#daa520', greenyellow: '#adff2f',
+        grey: '#808080', honeydew: '#f0fff0', hotpink: '#ff69b4', indianred: '#cd5c5c', indigo: '#4b0082',
+        ivory: '#fffff0', khaki: '#f0e68c', lavender: '#e6e6fa', lavenderblush: '#fff0f5', lawngreen: '#7cfc00',
+        lemonchiffon: '#fffacd', lightblue: '#add8e6', lightcoral: '#f08080', lightcyan: '#e0ffff',
+        lightgoldenrodyellow: '#fafad2', lightgray: '#d3d3d3', lightgreen: '#90ee90', lightgrey: '#d3d3d3',
+        lightpink: '#ffb6c1', lightsalmon: '#ffa07a', lightseagreen: '#20b2aa', lightskyblue: '#87cefa',
+        lightslategray: '#778899', lightslategrey: '#778899', lightsteelblue: '#b0c4de', lightyellow: '#ffffe0',
+        limegreen: '#32cd32', linen: '#faf0e6', magenta: '#ff00ff', defuchsia: '#ff00ff', mediumaquamarine: '#66cdaa',
+        mediumblue: '#0000cd', mediumorchid: '#ba55d3', mediumpurple: '#9370db', mediumseagreen: '#3cb371',
+        mediumslateblue: '#7b68ee', mediumspringgreen: '#00fa9a', mediumturquoise: '#48d1cc',
+        mediumvioletred: '#c71585', midnightblue: '#191970', mintcream: '#f5fffa', mistyrose: '#ffe4e1',
+        moccasin: '#ffe4b5', navajowhite: '#ffdead', oldlace: '#fdf5e6', olivedrab: '#6b8e23', orangered: '#ff4500',
+        orchid: '#da70d6', palegoldenrod: '#eee8aa', palegreen: '#98fb98', paleturquoise: '#afeeee',
+        palevioletred: '#db7093', papayawhip: '#ffefd5', peachpuff: '#ffdab9', peru: '#cd853f', pink: '#ffc0cb',
+        plum: '#dda0dd', powderblue: '#b0e0e6', rosybrown: '#bc8f8f', royalblue: '#4169e1', saddlebrown: '#8b4513',
+        salmon: '#fa8072', sandybrown: '#f4a460', seagreen: '#2e8b57', seashell: '#fff5ee', sienna: '#a0522d',
+        skyblue: '#87ceeb', slateblue: '#6a5acd', slategray: '#708090', slategrey: '#708090', snow: '#fffafa',
+        springgreen: '#00ff7f', steelblue: '#4682b4', tan: '#d2b48c', thistle: '#d8bfd8', tomato: '#ff6347',
+        turquoise: '#40e0d0', violet: '#ee82ee', wheat: '#f5deb3', whitesmoke: '#f5f5f5', yellowgreen: '#9acd32',
+        // CSS 4
+        rebeccapurple: '#663399'
+    };
+
+    constructor(public color: string) { }
+
+    /**
+     * change the luminosity of a color
+     * @param lum value between -1 and 1
+     */
+    changeLuminosity(lum: number): string {
+        lum = Math.min(Math.max(lum || 0, -1), 1);
+        return this.maskColor(lum < 0 ? '#000' : '#FFF', Math.abs(lum));
+    }
+
+    /**
+     * add color with a mark
+     * @param color additional color
+     * @param opacity value of opacity between 0 and 1 for the additional color
+     * @returns hexa color
+     */
+    maskColor(color: string, opacity: number = 1): string {
+
+        const baseColor = this.parseColor(this.color);
+        const additionalColor = this.parseColor(color);
+
+        const lum = Math.min(Math.max(opacity || 0, 0), 1);
+
+        const R = baseColor >> 16;
+        const G = baseColor >> 8 & 0x00FF;
+        const B = baseColor & 0x0000FF;
+        return '#' + (0x1000000 +
+            (Math.round(((additionalColor >> 16) - R) * lum) + R) * 0x10000
+            + (Math.round(((additionalColor >> 8 & 0x00FF) - G) * lum) + G) * 0x100
+            + (Math.round(((additionalColor & 0x0000FF) - B) * lum) + B)
+        ).toString(16).slice(1);
+    }
+
+    /**
+     * change color
+     * @param color parse color : name, #HEXA, rgba()
+     * @returns int color
+     */
+    private parseColor(color: string) {
+
+        // si named color
+        if (Coloration.colorsName[color]) {
+            color = Coloration.colorsName[color];
+        }
+
+        // validate hexa string #RGB, #RGBA, #RRGGBB, #RRGGBBAA (ignore alpha)
+        const matchHex = String(color).match(pattern.hexa);
+        let intColor;
+        if (matchHex) {
+            const hexa = matchHex[4]
+                ? matchHex[2] + matchHex[4]
+                : matchHex[2][0] + matchHex[2][0] + matchHex[2][1] + matchHex[2][1] + matchHex[2][2] + matchHex[2][2];
+
+            intColor = parseInt(hexa, 16);
+        }
+
+        if (intColor === undefined) {
+            // validate rgb() / rgba()
+            const matchRgb = String(color).match(pattern.rgba);
+            if (matchRgb) {
+                intColor = parseInt(matchRgb[1], 10) * 65536 + parseInt(matchRgb[3], 10) * 256 + parseInt(matchRgb[5], 10);
+            }
+        }
+
+        return intColor;
+
+    }
+
+}
diff --git a/projects/coloration/src/public_api.ts b/projects/coloration/src/public_api.ts
new file mode 100644
index 0000000000000000000000000000000000000000..b0313a1189fd8905bac7cc09596fab4b6533355d
--- /dev/null
+++ b/projects/coloration/src/public_api.ts
@@ -0,0 +1,5 @@
+/*
+ * Public API Surface of coloration
+ */
+
+export * from './lib/coloration';
diff --git a/projects/coloration/src/test.ts b/projects/coloration/src/test.ts
new file mode 100644
index 0000000000000000000000000000000000000000..e11ff1c97b82c411cff67eb2623e12fbf7004b8a
--- /dev/null
+++ b/projects/coloration/src/test.ts
@@ -0,0 +1,22 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'core-js/es7/reflect';
+import 'zone.js/dist/zone';
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: any;
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);
diff --git a/projects/coloration/tsconfig.lib.json b/projects/coloration/tsconfig.lib.json
new file mode 100644
index 0000000000000000000000000000000000000000..3fe337fcf5323bf91d023d92aa1effd9062209dd
--- /dev/null
+++ b/projects/coloration/tsconfig.lib.json
@@ -0,0 +1,32 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../out-tsc/lib",
+    "target": "es2015",
+    "module": "es2015",
+    "moduleResolution": "node",
+    "declaration": true,
+    "sourceMap": true,
+    "inlineSources": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "importHelpers": true,
+    "types": [],
+    "lib": [
+      "dom",
+      "es2018"
+    ]
+  },
+  "angularCompilerOptions": {
+    "annotateForClosureCompiler": true,
+    "skipTemplateCodegen": true,
+    "strictMetadataEmit": true,
+    "fullTemplateTypeCheck": true,
+    "strictInjectionParameters": true,
+    "enableResourceInlining": true
+  },
+  "exclude": [
+    "src/test.ts",
+    "**/*.spec.ts"
+  ]
+}
diff --git a/projects/coloration/tsconfig.spec.json b/projects/coloration/tsconfig.spec.json
new file mode 100644
index 0000000000000000000000000000000000000000..16da33db072ce34e8607114c6c705bed73936724
--- /dev/null
+++ b/projects/coloration/tsconfig.spec.json
@@ -0,0 +1,17 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../out-tsc/spec",
+    "types": [
+      "jasmine",
+      "node"
+    ]
+  },
+  "files": [
+    "src/test.ts"
+  ],
+  "include": [
+    "**/*.spec.ts",
+    "**/*.d.ts"
+  ]
+}
diff --git a/projects/coloration/tslint.json b/projects/coloration/tslint.json
new file mode 100644
index 0000000000000000000000000000000000000000..124133f8499a773c98b161fbc21122698deb6282
--- /dev/null
+++ b/projects/coloration/tslint.json
@@ -0,0 +1,17 @@
+{
+  "extends": "../../tslint.json",
+  "rules": {
+    "directive-selector": [
+      true,
+      "attribute",
+      "lib",
+      "camelCase"
+    ],
+    "component-selector": [
+      true,
+      "element",
+      "lib",
+      "kebab-case"
+    ]
+  }
+}
diff --git a/src/app/app.component.html b/src/app/app.component.html
index 1094e7ebdfb84d7275f59e4f76f40fcfe1f23a30..ed4f4841546e7b58ce0c893786b7140f03366d31 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -1,21 +1,25 @@
 <!--The content below is only a placeholder and can be replaced.-->
-<div style="text-align:center">
+<div>
   <h1>
     Welcome to {{ title }}!
   </h1>
-  <img width="300" alt="Angular Logo" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg==">
 </div>
-<h2>Here are some links to help you start: </h2>
-<ul>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://angular.io/tutorial">Tour of Heroes</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://github.com/angular/angular-cli/wiki">CLI Documentation</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://blog.angular.io/">Angular blog</a></h2>
-  </li>
-</ul>
+<h2>Test to change color: </h2>
 
-<router-outlet></router-outlet>
+<div>
+  Color : <input type="color"
+         [value]="color"
+         (change)="changeColor($event)">
+
+  Luminosity : <input type="number"
+         max="1"
+         min="-1"
+         step="0.01"
+         [value]="luminosity"
+         (keyup)="changeLuminosity($event)"
+         (change)="changeLuminosity($event)">
+</div>
+<hr>
+<div>Color : {{color}}</div>
+<div>ColorFinal : {{colorFinal}}</div>
+<div [style.background-color]="colorFinal">&nbsp;</div>
\ No newline at end of file
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index efc1844669cce75a5fc8894cb3b289672d36fc56..6bd30ef4bd84069f6a9957201985389ba0d17ed6 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,4 +1,5 @@
 import { Component } from '@angular/core';
+import { Coloration } from 'projects/coloration/src/public_api';
 
 @Component({
   selector: 'app-root',
@@ -7,4 +8,29 @@ import { Component } from '@angular/core';
 })
 export class AppComponent {
   title = 'coloration-demo';
+
+  color = '#FF0000';
+
+  luminosity = 0;
+
+  colorFinal: string;
+
+  constructor() {
+    this.calculColor();
+  }
+
+  changeColor(event: Event) {
+    this.color = (event.target as any).value;
+    this.calculColor();
+  }
+
+  changeLuminosity(event: Event) {
+    this.luminosity = parseFloat((event.target as any).value);
+    this.calculColor();
+  }
+
+  calculColor() {
+    const color = new Coloration(this.color);
+    this.colorFinal = color.changeLuminosity(this.luminosity);
+  }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 46aeded1b278b3fd720233810be535ce0a456561..39fb4fbb1b17dd3ed3ede8deccf3f85ab1f20170 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,6 +16,14 @@
     "lib": [
       "es2018",
       "dom"
-    ]
+    ],
+    "paths": {
+      "coloration": [
+        "dist/coloration"
+      ],
+      "coloration/*": [
+        "dist/coloration/*"
+      ]
+    }
   }
-}
+}
\ No newline at end of file