How to search Google Image by color

Google Image Search can be restricted even further by using a new, specific string. In fact, now you can search images by colors thanks to the following

Strings: “imgcolor=green” or“imgcolor=blue,red”.

Example: http://images.google.com/images?imgcolor=red&hl=en&q=Ball. Of course you

can change the color red and the keyword Ball with anything else you like!......