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 that ...
only 1 in 200 women are color blind?

However, only women can be carriers of the color blindness gene. So if you are male and your father is color blind, then you cannot inherit it from him.

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Did you know that ...
people don't see colors at night?

Most people usually find it difficult to recognize colors at night in dim moonlight. However, geckos and frogs, for example, can see colors only when it's dark.

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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 ...
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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