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trichromatic theory
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trichromatic theory

physiology

Learn about this topic in these articles:

perception of colour

  • Color wheel
    In colour: Colour vision

    …theories of colour vision, the trichromatic theory, was first proposed around 1801 by Thomas Young, an English physician, and refined about 50 years later by the German scientist Hermann von Helmholtz. Based on experiments in colour matching, this theory postulates three types of colour receptors in the eye. The actual…

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