RYB color model RYB color model RYB (an abbreviation of red–yellow–blue) is a historical set of colors used in subtractive color mixing and is one commonly used set of primary colors. It is primarily used in art and design education, particularly painting. RYB predates modern scientific color theory, which has determined that cyan, magenta, and yellow are the best set of three colorants to combine, for the widest range of high-chroma colors. RYB (red–yellow–blue) make up the primary color triad in a standard artist's color wheel. The secondary colors purple–orange–green (sometimes called violet–orange–green) make up another triad. Triads are formed by three equidistant
Orange (colour) signal fire, historically used at night while smoke was used during the day, to communicate with distant army units. In the Indonesian Air Force, the Air force infantry and special forces corps known as Paskhas uses Orange as their beret colour. Several corporate brands use orange, such as Blogger, Fanta, FedEx, GlaxoSmithKline, Gulf, Hankook, Harley-Davidson, ING, Jägermeister, Nickelodeon, Orange, the Women's National Basketball Association, The Home Depot and TNT. Orange, because of its common association with activity and visibility, is a popular colour for sports teams. Orange (colour) Orange is the colour between yellow and red on the spectrum of