This plugin adds the ability to animate color properties on elements using jQuery's .animate()
backgroundColor, borderBottomColor, borderLeftColor, borderRightColor, borderTopColor, color, outlineColor
<!DOCTYPE html>
<html>
<head>
<style>
div {
background-color:#bca;
width:100px;
border:1px solid green;
}
</style>
<script src="http://code.jquery.com/jquery-1.5.js"></script>
<script src="jquery.color.js"></script>
</head>
<body>
<button id="go">Run</button>
<div id="block">Hello!</div>
<script>
$("#go").click(function(){
$("#block").animate({
backgroundColor: "#abcdef"
}, 1500 );
});
</script>
</body>
</html>