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
Colour trade mark the United States Court of Appeals ruled in 1985 that Owens Corning had the right to prevent competitors from using the colour pink in their insulation products, thus making Owens Corning the first company in the United States to trademark a colour. In 1995, the United States Supreme Court further acknowledged that a colour could be used as a trademark in the case of "Qualitex Co. v. Jacobson Products Co., Inc.", 514 U.S. 159 (1995). The trademark owner must show that the trademark colour has acquired substantial distinctiveness, and the colour indicates source of the goods to which it is