Light
Trichromatic vision refers to the ability of humans to see and distinguish between colors using three types of cones in the retina. These cones are sensitive to different wavelengths of light, allowing us to perceive a wide range of colors.
Specialized cells in the retina that are responsible for color vision.
The distance between two corresponding points on a wave; it determines the color we perceive.
The process by which our brain interprets different wavelengths of light as specific colors.