Some People Can See More Shades of Colors than Others
Human color vision relies on three types of color receptors called cones, which enable most people to perceive a broad spectrum of colors. However, a small fraction of individuals, known as tetrachromats, possess a fourth type of cone. This unique characteristic endows them with the ability to perceive an even wider range of colors and subtle nuances in the visual world. Tetrachromacy is a rare genetic trait, and our understanding of it remains incomplete, but it illuminates the remarkable variability in human perceptual abilities. These individuals may see colors that are imperceptible to most of us, offering a glimpse into the complex and multifaceted nature of human vision and its potential for diversity.