Color Vision

Hue

wavelength of light determines _____

Value

degree of brightness or darkness

Saturation

how intense a color is

Colors

emotional and aesthetic part of everyday life

Complementary Colors

colors across from one another on the color wheel

Warm Colors

Red - orange - yellow

Cool Colors

Green - Blue - Violet

gray

if complementary colors (lights) are mixed, it turns into ________

Light

source of all color

Additive process

mixture of lights

subtractive process

mixture of pigments

Pigments

gain color by absorbing light from certain segments of the spectrum and reflecting the rest

Afterimages

lingering visual impression made by a stimulus that has been removed

Afterimages

persistent sensations of color are followed by perception of the complementary color when the former is removed

Thomas Young

Trichromatic Theory is based on experiment conducted by

Trichromatic Theory

theory that one can create any color in visible spectrum by varying the intensities of the 3 lights

Ewald Hering

Opponent-process theory (person)

Opponent-process theory

afterimages are made possible by three types of color receptors: red-green, blue-yellow, and type that perceives brightness

red-green cone cant transmit at same time, so red comes after green once the green disappears

Dichromat

partially colorblind people AKA

Dichromat

can discriminate only between 2 colors and the colors that have those 2 mixed in it

Trichromat

sensitive to all, and have normal color vision

Monochromat

people who are only sensitive to lightness and darkness

Fully colorblind individuals

sees the world as trichromats would in a black-and-white movie