Judo in Canada Canada there are six "kyū" grades for seniors (people 16 years of age or older), eleven "kyū" grades for juniors (people under the age of 16), and ten "dan" grades that are restricted to seniors. Both senior and junior students begin as white belts ("rokkyū") and progress with promotion through yellow, orange, green, and blue, to brown belt ("ikkyū"). Half-grades for juniors were introduced in 2010 and are represented by belts that combine the colours of the previous grade and the next grade (a white and yellow belt, for example, represents a half-grade between "rokkyū" and "gokyū", which the grading
Orange (colour) Orange (colour) Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In painting and traditional colour theory, it is a secondary colour of pigments, created by mixing yellow and red. It is named after the fruit of the same name. The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical