Colour vision depends on the number of cones (colour receptors) in the eyes. While most people have three types of cones, those with tetrachromacy have four, allowing them to see up to 100 million different color shades.
Super Colour Vision
Colour vision depends on the number of cones (colour receptors) in the eyes. While most people have three types of cones, those with tetrachromacy have four, allowing them to see up to 100 million different color shades.
