Purple Exists Only in Our Brains
21st March 2026
There is something unique about the color purple: Our brain makes it up. So you might just call purple a pigment of our imagination.
Yuk yuk yuk….
It’s also a fascinating example of how the brain creates something beautiful when faced with a systems error.
To understand where purple comes from, we need to know how our eyes and brain work together to perceive color. And that all begins with light.