Rank in Judo applied to juniors below the age of 15 due to safety reasons. In Israel the following belt colors exist: Brazilian belt rankings are normally white, blue, yellow, orange, green, purple, brown and black (6th, 7th, and 8th dan may wear alternating red and white panels, and 9th and 10th dan holders may wear solid red belts). Additionally, a grey belt may be given to very young judoka (under 11 or 13 years old) just before the blue. Sometimes, competitors are organized into two categories depending on grading; the first is from white to green, and the second is purple through
Judo in Canada starting at first "dan" ("shodan") and ending at tenth "dan" ("judan"). Grades are also differentiated by belt colour. Kano originally adopted white and black belts in 1886 to mark the distinction between "kyū" and "dan" grades, and red and white and solid red belts were later introduced to distinguish judoka who were sixth "dan" and higher (collectively referred to as "kōdansha", or 'ones with high dan'). Coloured belts for "kyū" grades were first introduced by Mikinosuke Kawaishi in France in 1935 because he felt that European students would progress more quickly if they received visible recognition of their achievements. In