Free colorblind test

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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 ...
babies are born color blind?

Babies can see only black, white, and shades of gray. They are usually able to distinguish between most colors by the age of 2 months.

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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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