Have you ever taken the test to see if you are colorblind before? Chances are you have, and you already know if you are colorblind or not. If you are colorblind odds are that you are male since most genes related to colorblindness are on the X chromosome. Most colorblind people are that way because of genetics, but it can also be caused by eye, brain, or optic nerve damage. Exposure to certain chemicals can also cause colorblindness.





Ishihara colorblindness test / How test looks for someone with deuteranopia (red/green) colorblindess

3 Main Types of Genetic Colorblindness

Deuteranopia (red/green) colorbliness

Protanopia (another type of red/green) colorbliness

Tritanopia (blue/yellow) colorbliness

What people see



Non-Colorblind / Deuteranopia (red/green) Colorblind



Non-Colorblind / Deuteranopia (red/green) / Tritanopia (blue/yellow)



Non-Colorblind / Tritanopia Colorblind / Protanopia Colorblind



Rainbow without colorblindness / Rainbow with Deuteranopia (red/green) colorbliness



Rainbow with Protanopia (red/green) colorbliness / Rainbow with Tritanopia (blue/yellow) colorbliness

How Web420.com art looks to people who are colorblind





Original Colors

Deuteranopia (red/green) colorblindness



Tritanopia (blue/yellow) colorblindness

See other stuff in simulated colorblind



See what your images look like to someone who is colorblind:

http://vischeck.com/vischeck/vischeckImage.php

See what your website look like to someone who is colorblind:

http://www.vischeck.com/vischeck/vischeckURL.php