Coblis — Color Blindness Simulator.

If you are not suffering from a color vision deficiency it is very hard to imagine how it looks like to be colorblind. The Color BLIndness Simulator can close this gap for you. Just play around with the sample picture or upload your own images. Please make sure that you just use JPG, GIF or PNG images with a size below 600kB.

Tests for:
Normal Color Vision
Red-Blind/Protanopia
Green-Blind/Deuteranopia
Blue-Blind/Tritanopia
Red-Weak/Protanomaly
Green-Weak/Deuteranomaly
Blue-Weak/Tritanomaly
Monochromacy/Achromatopsia
Blue Cone Monochromacy