JavaScript 将颜色值10进制转换成16进制

<mce:script type="text/javascript"><!--
 
function MyColor(name,r,g,b){ 
	this.name=name; 
	this.red=r; 
	this.green=g; 
	this.blue=b; 
} 
MyColor.prototype.hexValue=function(){ 
	var hR=this.red.toString(16); 
	var hG=this.green.toString(16); 
	var hB=this.blue.toString(16); 
	return "#"+(this.red<16?("0"+hR):hR)+(this.green<16?("0"+hG):hG)+(this.blue<16?("0"+hB):hB); 
}; 
	var CnLeiColor=new MyColor("red",255,0,0); 
	alert(CnLeiColor.hexValue()); 
// --></mce:script>