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Crimson is a rich, deep red color, inclining to purple. [2] It originally meant the color of the kermes dye produced from a scale insect , Kermes vermilio , but the name is now sometimes also used as a generic term for slightly bluish-red colors that are between red and rose .
They feed on the sap of oaks; the females produce a red dye, also called "kermes", that is the source of natural crimson. [1] The word "kermes" is derived from Turkish qirmiz or kirmizi ( قرمز ), "crimson" (both the colour and the dyestuff), [ 2 ] itself deriving from Persian *کرمست (*kermest) via Proto-Indo-Iranian *kŕ̥miš, from ...
When alum is added to the dye substance as a mordant, a bright red-orange hue is obtained, which color is then made color-fast. Wool dyed with the scale insect kermes. Chemical analysis of the dye extract shows a high percentage of kermesic acid (C 16 H 10 O 8) (Ka; maximum at 480 nanometers [nm]) and flavokermesic acid (Fk; maximum at 432 nm).
It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson , and vary in shade from the pale red pink to the dark red burgundy .
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Carmine (/ ˈ k ɑːr m ə n, ˈ k ɑːr m aɪ n /) – also called cochineal (when it is extracted from the cochineal insect), cochineal extract, crimson lake, or carmine lake – is a pigment of a bright-red color obtained from the aluminium complex derived from carminic acid. [2] Specific code names for the pigment include natural red 4, C.I ...
The color of blood red ranges from crimson to a dark brown-red and may have a slightly orange hue. In the RGB color spectrum, it often consists only of the color red, with no green or blue component; in the CMYK color model blood red has no cyan, and consists only of magenta and yellow with a small amount of black.
Red lac, also called red lake, crimson lake or carmine lake, was an important red pigment in Renaissance and Baroque art. Since it was translucent, thin layers of red lac were built up or glazed over a more opaque, dark color to create a particularly deep and vivid color.
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