title: Changing background colour of a layer in cocos2d js
body: <p>I am building an android app.....
  I tried using <code>cc.color(,,)</code> but isnt working as expected...
  Could someone tell me how to change the layer background colour??
  Thanks.</p>
  
  <pre><code>var GameScene = cc.Scene.extend({
  onEnter:function () {
      this._super();
      var layer = new GameLayer();
      this.addChild(layer);
  
      backgroundLayer = new cc.LayerColor.create();
      backgroundLayer.changeWidthAndHeight(winSize.width, winSize.height);
      backgroundLayer.setColor(cc.c3b(144, 192, 248));
      layer.addChild(backgroundLayer);
      backgroundLayer.setPosition(cc.p(winSize.width * 0.5, winSize.height *       0.5));
  
  
  }
  });
  </code></pre>