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) Colorblind / Tritanopia (blue/yellow) Colorblind

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 with colorbliness

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