Colors are a fundamental aspect of human experience. Or are they?
Chromaticity, the art of seeing the world in all its colorful glory, is the default mode of most people. But then there's achromaticity, the art of seeing the world in shades of grey.
It's a debate that's been going on since the dawn of time, with some saying that color is everything, and others saying it's nothing.
We can't even agree on what color the sky is.