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A color belonging to any of three groups each of which is regarded as generating all colors, with the groups being:
a. Additive, physiological, or light primaries red, green, and blue. Lights of red, green, and blue wavelengths may be mixed to produce all hues.
b. Subtractive or colorant primaries, such as magenta, yellow, and cyan (used by printers) or red, yellow, and blue (used by painters). Substances that reflect light of one of these wavelengths and absorb other wavelengths may be mixed to produce all hues.
c. Psychological primaries red, yellow, green, and blue, plus the achromatic pair black and white. All colors may be subjectively conceived as mixtures of these. See Table at color.
a color, as red, yellow, or blue, that in mixture yields other colors.
Any of a group of colors from which all other colors can be made by mixing. See more at color.
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|Noun||1.||primary color - any of three colors from which all others can be obtained by mixing|
color, coloring, colouring, colour - a visual attribute of things that results from the light they emit or transmit or reflect; "a white color is made up of many different wavelengths of light"
primary color for pigments, primary colour for pigments - any of three pigments from which all colors can be obtained by mixing; "the primary colors for pigments are red, blue, and yellow"