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Unique hue is a term used in perceptual psychology of color vision and generally applied to the purest hues of blue, green, yellow and red. The proponents of the opponent process theory believe that these hues cannot be described as a mixture of other hues, and are therefore pure, whereas all other hues are composite. [ 1 ]
The general model of color psychology relies on six basic principles: Color may carry a specific meaning. Color meaning is either based in learned meaning or biologically innate meaning. The perception of a color causes evaluation automatically by the person perceiving. The evaluation process forces color-motivated behavior.
For the example color of S 2030-Y90R, the saturation is calculated as = / = / = / = NCS lightness (v) is a color's perceptual characteristic to contain more of the achromatic elementary colors black or white than another color. NCS lightness values varies from 0 for the elementary color black (S) to 1 for the elementary color white (W).
Color theory, or more specifically traditional color theory, is a historical body of knowledge describing the behavior of colors, namely in color mixing, color contrast effects, color harmony, color schemes and color symbolism. [1] Modern color theory is generally referred to as color science.
Infants as young as 12 weeks old exhibit color preferences. [2] Generally, children prefer the colors red/pink and blue, and cool colors are preferred over warm colors. Color perception of children 3–5 years of age is an indicator of their developmental stage. Color preferences tend to change as people age. [3]
An element C of H color is a function from the range of visible wavelengths—considered as an interval of real numbers [W min,W max]—to the real numbers, assigning to each wavelength w in [W min,W max] its intensity C(w). A humanly perceived color may be modeled as three numbers: the extents to which each of the 3 types of cones is stimulated.
Chromatic adaptation is the human visual system’s ability to adjust to changes in illumination in order to preserve the appearance of object colors. It is responsible for the stable appearance of object colors despite the wide variation of light which might be reflected from an object and observed by our eyes.
The colour centre is a region in the brain primarily responsible for visual perception and cortical processing of colour signals received by the eye, which ultimately results in colour vision.