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
Judo in Brazil Judo at the 2012 Summer Games, signifying the continued vitality of the martial art in Brazil. Mitsuyo Maeda introduced Judo to Brazil in November of 1914. Maeda was a member of the Kodokan, and one of five of Judo’s top groundwork experts. Judo founder, Kanō Jigorō sent Maeda as something of an ambassador to broaden Judo practice on a worldwide level. Maeda introduced Judo, (designated ‘Kano Jiu-Jitsu’ in that period) to Carlos Gracie, the first of several in his family that would take up the sport and eventually mold it into Brazilian Jiu-Jitsu, sometimes referred to as Gracie Jiu-Jitsu. After