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How would you know if you are colorblind? Everybody has learned the names of the colors and what they look like. For example how do I know my red is not grey for someone else and I just know it as red?

User Svenyonson
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4 votes
I think about this all the time, lol. There is no way to know and its quite possible. Different animals have different numbers of "cones" in their eyes allowing them to see colors that our brain cannot comprehend.
User DaoLQ
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