this post was submitted on 30 Dec 2024
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To make it even crazier while we think of color blindness as a binary thing, it's really (like most things) a spectrum.
Everyone has a slightly different ratio of cones. And some have a different amount of cones than others. Then there's the ratio of the different comes to rods.
Take any two random people and they'll likely agree what name a color is, but they both experience that color slightly differently.
There are also the rare tetrachromagraphic people who see 4 colors. Most people have RGB, tetras have an orange receptor.
Yeah, I should have said:
But it's not really like there's distinct type of cones, it's about the wavelength the cones capture based on the angle of the cone.
So while normally theyre: long, medium, or short
They can also be at any point on that scale, and even so far that they're essentially a new type of cone
But every cone is going to be a little different based on its exact shape and everyone has different ratios. Think of it like snowflakes.
If you measure exact enough, no two people will experience the same color, and you don't even between your two eyes. It's just very unlikely to be a noticable difference, and our brains like to do "post processing" stuff to make it similar.
The longest standing argument between myself and my family is about the color of my mother's very 1950's bathroom.
They say it's battleship grey.
They're wrong. The tile and most of the fixtures are a dull, dusty light blue. Only the marble around the sink is a true grey color, which is why it looks so obviously out of place. The room gives me fits and no one else can see it.
If you're out to prove a point take pictures of each item zoomed in so it's just the color in the picture, next holiday you're all together text them to everyone in a group text and ask them what color each one is.
You may want to do it one by one instead of sending all at once.