Young–Helmholtz theory
Young–Helmholtz theory
Postulated existence of three photoreceptor types in the eye.
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Thomas Young (scientist)
English polymath (1773–1829).
21%
RGB color model
Color model based on red, green and blue.
13%
Color photography
Photography that reproduces colors.
12%
Trichromacy
Possessing of three independent channels for conveying color information.
12%
Color vision
Ability to perceive differences in light frequency.
11%
Afterimage
Illusion of image persistence.
4.5%
Impossible color
Color that cannot be perceived under ordinary viewing conditions.
4%
Hermann von Helmholtz
German physicist and physiologist (1821–1894).
1.9%
Unique hues
Pure blue, green, yellow or red hues that cannot be described as a mixture of other hues.
1.7%