Primary colors are sets of colors that can be combined to make a useful range of colors. For human applications, three primary colors are usually used, since human color vision is trichromatic.The most commonly used additive color primaries are the s

Magenta is a purplish-pink color evoked by lights with less power in yellowish-green wavelengths than in blue and red wavelengths (complements of magenta have wavelength 500530 nm).In the Munsell color system, magenta is called red-purple. In the CMY

Cyan is used to refer to the color obtained by mixing equal amounts of green and blue light or the removal of red from white light. As such, cyan is the complement of red in RGB and CMYK color models: cyan pigments absorb red light.

Carthamin is a natural red pigment derived from safflower,earlier known as carthamine.t is composed of two chalcones; the conjugated bonds being the cause of the red color. It is derived from precarthamin by a decarboxylase. It is used as a dye and a