If you click on the link Google provides, it explains that this is not true. I even opened a thread about it in general a while back (titled Blackle.com or something like that). Basically, this is a common misconception. It’s true, you would save energy if it was a black screen with the old monitors, but with the new ones, it doesn’t make a difference what color/shade is being displayed. It’s all the same amount of energy.