The group of basic colors that allow all others to be formed by combination is called 'primary colors'. They have different methods of addition and subtraction, more adjusted to the biology of the eye (red, green and blue in humans), to industrial chemical processes (cyan, magenta and yellow; , magenta, yellow and black), or to an artistic and emotional criterion (red, blue and yellow). View color , primary , rgb , rgba , cmy , cmyk , ryb , hsl , hsla , hsv , hsi , hsb .
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