Like running, it can take place on a track or as a road race. The main competitions take place at the Summer Paralympics which wheelchair racing and athletics has been a part of since 1960. Competitors compete in specialized wheelchairs which allow the athletes to reach speeds of 30 km/h or more.
Hue is one of the main properties (called color appearance parameters) of a color, defined technically (in the CIECAM02 model), as the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow  (the unique hues).
What is the difference between Hue and Saturation? â¢ Hue is a root color identified and can be roughly taken as the primary colors of the rainbow. â¢ Saturation is the strength of the hue present in the color ranging from grey to the original root color.