https://en.wikipedia.org/wiki/Tetrachromacy https://en.wikipedia.org/wiki/Tetrachromacy You've heard of super-tasters? There's a genetic variation that creates

https://en.wikipedia.org/wiki/Tetrachromacy https://en.wikipedia.org/wiki/Tetrachromacy You've heard of super-tasters? There's a genetic variation that creates a kind of fourth color receptor in some people, apparently giving them the ability to perceive colors others can't! > One study suggested that 2–3% of the world's women might have the type of fourth cone whose sensitivity peak is between the standard red and green cones, giving, theoretically, a significant increase in color differentiation.