Color reflected color depends upon the viewing angle. Numerous scientists have carried out research in butterfly wings and beetle shells, including Isaac Newton and Robert Hooke. Since 1942, electron micrography has been used, advancing the development of products that exploit structural color, such as "photonic" cosmetics. Color Color (American English), or colour (Commonwealth English), is the characteristic of human visual perception described through color "categories", with names such as red, orange, yellow, green, blue, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum. Color categories and
Tangerine (color) not call it "Orange" due to the existence of the rival firm Orange Micro). Tangerine (color) Named after the fruit the colour tangerine is a tone of orange. Hues of tangerine are sometimes important to graphic designers when constructing identities, brand recognition, and stand-out ads for clients. Because of the brightness of the color variants, they are often employed to make a small but centrally important object stand out, especially when surrounded by the flat colors of earth tones. Tangerine hues may also be selected as complements to other bright hues, and because of their relative rarity of use. One