How to apply colors for individual sticky like windows7 sticky notes

How to apply colors for individual sticky like windows7 sticky notes

Hello Everyone, 

      Please checkout this fiddle once & suggest. 

here i can able to apply single color to each sticky notes. But my requirement is i need to apply various colors for each sticky like windows 7 sticky notes. i.e on right click of each sticky, it'll show different colors that can apply to the sticky notes. how can i achieve this.
 
any reference would be Thankful. 

Thanks in Advance
Satish Chandragiri