According to the ________ of color vision, receptor cells are linked in pairs, working in opposition to each other.

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The opponent-process theory of color vision proposes that there are three pairs of color receptors in the retina that work in opposition to each other: red-green, blue-yellow, and black-white. This theory explains how we see afterimages and how color contrast works. The trichromatic theory, on the other hand, proposes that there are three types of color receptors in the retina: red, green, and blue, and that all other colors we see are combinations of these three primary colors. The emission theory and visual perception theory are not recognized theories of color vision.

According to the ________ of Color Vision, Receptor Cells Are