Do you remember ROY G. BIV? You know, that thing you were taught way back when in elementary school to learn the colors of the rainbow (Red, Orange, Yellow, Green, Blue, Indigo, Violet)? Well, it turns out if you do a google image search for "roygbiv", you get some absolutely beautiful pictures! Look:(StandardRGB)
I particularly love the bookstore one! And in case you were wondering about the cat...(I was too)...his NAME is Roy G. Biv!