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chromaticity

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additive primary

Overview page. Subjects: Psychology.

Any of the shades of red, green, or blue that can be mixed to form white and to match all other spectral colours and also certain non-spectral colours such as purple. Primary red, green,...

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chromaticity coefficient

Overview page. Subjects: Computing.

The ratio of any one of the chromaticity values of a three-component color to the sum of the three values. See also color model.

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colour

Overview page. Subjects: Art.

Created by the reactions of the human eye to certain properties possessed by an object when it reflects or emits light. More technically, colour is determined by ocular interpretation of...

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hue

Overview page. Subjects: Psychology.

The dimension of a colour that is determined by the wavelength of the light in relation to the wavelengths reflected from objects or surfaces in other parts of the visual field and that...

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primary colour

Overview page. Subjects: Psychology.

Any of a group of colours from which all other colours can be obtained by mixing. The primary colours for pigments are red, blue, and yellow. The primary additive colours for light are red,...

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saturation

Overview page. Subjects: Psychology.

1 The amount of chroma in a colour as a proportion of all the colour, both chromatic (1) and achromatic (1), the admixture of grey causing the colour to appear desaturated. It...

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tristimulus values

Overview page. Subjects: Psychology.

Three numbers, usually symbolized by x, y, and z, that together define a colour in terms of the proportions of three additive primaries that match the given colour when mixed. See also CIE...

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