While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from conflicting input.

A rainbow is a full circle, but from the ground, we only see part of the arc. The “end” that seems to touch the earth is an optical illusion that changes based on the observer’s position.

In an innovative discovery that defied centuries of colour theory, scientists revealed that purple isn’t a real colour at all—but a clever illusion created by the brain. According to new research, ...

In fact, violet (along with the rest of the colors in a naturally occurring rainbow) has something purple ... two extremes meet at purple. It’s an illusion of physics and neuroscience that ...

Scientists have revealed that purple, a popular color often associated with royalty, is fake. A figment of our imaginations.