Describe the trichromacy vs. opponency theories of color
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Answer / Nitin Pasan
Trichromacy theory states that the human eye has three types of color receptor cells (cones) sensitive to long, medium, and short wavelengths of light, which correspond roughly to red, green, and blue colors. Opponency theory suggests that there are not only three but six opponent channels: three for brightness (black-white), three for color (red-green, blue-yellow, and white-black). These theories complement each other as the trichromatic system explains how we perceive specific colors, while the opponency system describes how we perceive contrasts between colors.
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