Colour blindness is Color blindness, a color vision deficiency, is the inability to perceive differences between some of the colors that others can distinguish. according to wikipedia. Colour blindness is more in men ( close to about 10% of men have colour perception defect ), where as it is very rare in females. Online Eye-sight test to check colour-vision … [Read more...] about How do websites look like for colour blind people ? Online Color Blind Test ?