Chestnut (color) color called "chestnut" in Crayola crayons. This colour was also produced in a special limited edition in which it was called Vermont maple syrup. At the request of educators worried that children (mistakenly) believed the name represented the skin colour of Native Americans, Crayola changed the name of their crayon colour "Indian Red", originally formulated in 1958, to "Chestnut" in 1999. In reality, the colour Indian red has nothing to do with American Indians but is an iron oxide pigment the use of which is popular in India. Chestnut (color) Chestnut is a colour, a medium reddish shade of brown
Color space to produce a color space based on measurements of human color perception (earlier efforts were by James Clerk Maxwell, König & Dieterici, and Abney at Imperial College) and it is the basis for almost all other color spaces. The CIERGB color space is a linearly-related companion of CIE XYZ. Additional derivatives of CIE XYZ include the CIELUV, CIEUVW, and CIELAB. RGB uses additive color mixing, because it describes what kind of "light" needs to be "emitted" to produce a given color. RGB stores individual values for red, green and blue. RGBA is RGB with an additional channel, alpha, to indicate