this post was submitted on 25 Feb 2025
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[–] [email protected] 9 points 2 days ago (1 children)

Yes, they see some color

Correct, calling them colorblind is a misnomer. Most insects also can’t see red though. They can see ultraviolet spectrum which is pretty cool

Trichromatic vision is primates (humans, apes, monkeys, lemurs) giving red and green

Birds, reptiles, fish, crustaceans often have tetrachromatic vision which gives more vibrancy to color. Some of these can also see the uv spectrum too

Fun fact: there are some people who have tetrachromatic vision. It’s a genetic mutation on the X chromosome so those born with 2 X chromosomes are far more likely to have it (~15% vs ~8% for xy). just having the mutation doesn’t mean you’ll have functioning 4th cone cells though. And it’s one of those “you were born this way so functionally you will always have seen the world this way” kind of things

[–] ryedaft 1 points 2 days ago

There's a theory that Monet was able to see ultraviolet. Because of some surgery.