Trichromacy or trichromatism is the possession of three independent channels for conveying color information, derived from the three different types of...

Anomalous trichromacy is the mildest type of color deficiency, but the severity ranges from almost dichromacy (strong) to almost normal trichromacy (mild)...

females are trichromats, a condition known as allelic or polymorphic trichromacy. Among platyrrhines, the exceptions are Alouatta (routine trichromats)...

opponent process theory, humans have three opponent channels, which grant trichromacy. Whether a fourth opponent channel is available to facilitate tetrachromacy...

a prerequisite for trichromacy. An alteration of any of these three cone opsins can lead to colorblindness. Anomalous trichromacy, when all three cones...

intensity, or excitation purity. This number of parameters follows from trichromacy of vision of most humans, which is assumed by most models in color science...

Dichromacy gives the suffix -anopia (from the Greek for "no sight") Anomalous trichromacy gives the suffix anomaly (from the Greek for "irregular"). The dimensionality...

perceived in the visible light spectrum with three types of cone cells (trichromacy). Other animals may have a different number of cone cell types or have...

in placental mammals are old world monkeys and apes, which re-evolved trichromacy, and marine mammals (both pinnipeds and cetaceans) which are cone monochromats...

Tetrachromacy, a different biological system from trichromacy, possibly found in some people Trichromacy, scientific description of the RGB model for human...