I ran Vischeck's daltonize which processes a color image into what a color blind person sees. In this case, I'm 99% sure that steve is red/green colorblind, meaning he can't tell the difference between those two colors. If I'm correct, this is what he sees:
http://byteful.com/media/v/Playgroun...cover.jpg.html
There seems to be a lot of blue and yellow in Steve's world.