Orange (colour) colours on a television or computer screen), orange is generated by combining high intensity red light with a lower intensity green light, with the blue light turned off entirely. Orange is a tertiary colour which is numerically halfway between gamma-compressed red and yellow, as can be seen in the . Regarding painting, blue is the complementary colour to orange. As many painters of the 19th century discovered, blue and orange reinforce each other. The painter Vincent van Gogh wrote to his brother Theo that in his paintings, he was trying to reveal "the oppositions of blue with orange, of red
Judo in Canada (2011), Raymond Damblant (2012), and Hiroshi Nakamura (2012). Eleven Canadians are ranked "hachidan" (eighth dan), twenty-seven are ranked "shichidan" (seventh dan), and approximately 85 others are ranked "rokudan" (sixth dan). The names of the ninth and eighth "dan" holders are listed in the tables to the right. A typographic dagger () follows the names of those who are deceased. A registry of approximately 5000 black belts ranked "shodan" (first "dan") to "hachidan" (eighth "dan") in the years 1946–1997 is included in Glynn Leyshon's book "Judoka: a history of Judo in Canada". Canadians have won five Olympic medals in Judo since