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  • Close-up of a trichromatic analog television screen, which creates most visible colors through combinations and different levels of the three primary colors: green, blue and red. Trichromatic color vision is the ability of humans and some other. — “Trichromacy - Wikipedia, the free encyclopedia”,
  • Two complementary theories of color vision are the trichromatic theory and the opponent process theory. The evolution of trichromatic color vision in primates occurred as the ancestors of. — “Color vision - Wikipedia, the free encyclopedia”,
  • The Young–Helmholtz theory (proposed in the 19th century by Thomas Young and Hermann von Helmholtz) is a theory of trichromatic color vision – the manner in which the photoreceptor cells in the eyes of humans and other primates work to enable color vision. — “Young–Helmholtz theory - Wikipedia, the free encyclopedia”,


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