Have you heard about ‘Blackle’ ?

It’s Google with a black background.

If Google had a black screen, taking in account the huge number of page views, according to calculations, 750 mega watts/hour per year would be saved. In response Google created a black version of its search engine, called Blackle, with the exact same functions as the white version, but obviously with lower energy consumption

Check it out: http://www.blackle.com

Now your search engine can match your wardrobe.