Orange (colour) Orange (colour) Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing yellow and red. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical
British Colour Council British Colour Council The British Colour Council (BCC) was an industry standards organisation, active from the 1930s to the 1950s, which produced indexes of named colours for use by government, industry, academia, and horticulture. Founded in 1931 and chaired by designer Robert Francis Wilson, the BCC produced the British Colour Council reference Code or British Colour Codes: indexes of named colours for a variety of industries. Its first major work was the British Colour Council 1934 "Dictionary of Colour Standards" which defined colour shades in its printed plates and gave a two or three number code and evocative names to