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
Norwegian Judo Federation Norwegian Judo Federation The Norwegian Judo Federation ( - "NJF") is the national federation of judo in Norway. The chairman is Vibeke Thiblin (since 2009) and the deputy chairman is Harald Monsen. The Norwegian Judo Federation was founded in 1967. The organisation's headquarters are in Oslo. It is an affiliate of the International Judo Federation. In 2002 the Norwegian Judo Federation started training Afghan judokas under an exchange program with the Afghan Judo Federation established that year with the federation slogan "Judo for Peace". What began as a modest effort took on a big scale as increasingly more Afghan children