Add reset method

CHANGELOG.md

 # Changelog of coloration-lib
 
+## V0.0.4 (2019-01-23)
+
+### Feature
+
+- add `reset()` method
+
 ## V0.0.3 (2019-01-22)
 
 ### Features

README.md

@@ -2,8 +2,6 @@
 
 # Coloration
 
-This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 7.0.4.
-
 ## Installation
 
 ```

projects/coloration/package.json

 {
   "name": "coloration-lib",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "license": "MIT",
   "repository": {
     "type": "git",

projects/coloration/src/lib/coloration.ts

@@ -83,7 +83,14 @@ export class Coloration {
     private hsv: HSV = { h: 0, s: 0, v: 0 };
 
     constructor(public color: string) {
-        this.intColor = this.parseColor(color);
+        this.reset();
+    }
+
+    /**
+     * reinit to base color
+     */
+    reset() {
+        this.intColor = this.parseColor(this.color);
         this.updateColor();
     }