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This is how numbers look to a dichromate (only two photopigments) on a color vision test.

Tritan is not included because it is extremely rare.

Normal

Protanope

Deuteranope



This is how numbers look to an anomalous trichromate (three photopigments, one pigment is just a little off) on a color vision test. The defect is not as severe compared to a dichromate. In fact, some of the test numbers can be seen by an anomalous trichromate.

Normal

Protanope

Deuteranope



This is how objects look to a dichromate

The source of the last three pictures is critiquewall.com by Paul Martin

Click here to take a test by Jay Neitz. See how well you can identify objects if you were colorblind.

Click here to see how color deficient people see colored palettes.

Reference: This page was designed using the color filter from http://colorfilter.wickline.org