system
Given the following post, respond as if you're commenting on Reddit:
human
Eli5 Impossible colors/forbidden colors

How this work i was trying to read wikipedia page but topic is to hard for me to understand in english and I could't find explanation in my native language.
gpt
Some colors cannot be perceived by our eyes, but we can trick our brain into "seeing" them.

An easy trick that work for most people is to rely on "color fatigue" (after watching the same color for a while, your brain will adapt to it and try to compensate by shifting your perception toward the complimentary). This can allow to see over-saturated colors when you then move your sight on something else, as the signals from your eyes gets further shifted by your temporary brain "adjustment" from color fatigue.

Mixing separate inputs from each eye can also lead to seeing "impossible" color combinations. If your left eye is screaming "red" and your right one screams "green", your brain can understand "reddish-green".