code: function(amount){
  		var clrs = [],
  			len = this.colors.length;
  		for(var i=0; i< len; i++){
  			var index = i > 0 ? i -1 : clrs.length - 1,
  				c = this.colors[index];
  			clrs.push(this.colors[i].getBlended(c,amount));
  		}
  		return new ColorList(clrs);
  	}
docs: Creates a new ColorList by blending all colors in the list with each
  other (successive indices only)
  @param amount
  blend amount
  @return new color list