Free colorblind test

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Did you know that ...
1 in 10 men are color blind?

However, this stern statistic is mostly true only for Western societies. In comparison, only 1 in 100 Inuit men are color blind.

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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 ...
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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Did you know that ...
the color blind can see in the dark?

They cannot see in total darkness, but they can distinguish details at a much lower light level than people with normal color vision.

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