Free colorblind test

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see color?

Tell us what you see in the following images and share the test results with your friends!

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Did you know ...
why Facebook is blue?

Because Mark Zuckerberg is red-green color blind. Blue is the richest color people with this type of color blindness can see, which is why it is Facebook's dominant color.

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Did you know that ...
some animals can see more colors than people?

Bees and butterflies can see colors people never see.

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Did you know that ...
bulls don't actually react to red?

Bulls are completely color blind. They charge the red cape because it is moving, not because it is red.

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Did you know that ...
the army needs the color blind?

The American army used to recruit color blind men, because they could see through camouflage better than people with normal sight.

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