Why Do Some People See Colors Differently?

Imagine your eye is like a camera that takes pictures of the world. Some people have cameras with only two color filters, while others have three or even four. That’s why some people see colors differently, it all depends on how many filters their eyes use.

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Examples

  1. A red apple might look brown to someone who can’t tell red from green.
  2. In a rainbow, some people see only five colors instead of seven.
  3. At night, a blue light might look like purple.

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Categories: Biology · color vision,genetics,eyesight,human biology