Discovery of a simple mechanism for color detection
Human Color Perception - ppt video online download
Tetrachromacy - Wikipedia
Color Perception by Michael Kalloniatis and Charles Luu – Webvision
Do we see actual colors? - Quora
Human color perception
science based - If Homo Sapiens Had Four Receptors - Worldbuilding Stack Exchange
Color vision deficiency
Color Vision by Peter Gouras – Webvision
Which three colors do receptors in the retina of an average human eye respond to? - Quora
Information about Color Blindness Correction
The Evolution of Color Vision in Humans and Animals - Color Meanings
Human color vision provides nanoscale accuracy in thin-film thickness characterization
Human color perception