Color it is viewed, may alter its perception considerably; for example, a low-intensity orange-yellow is brown, and a low-intensity yellow-green is olive green. The color of an object depends on both the physics of the object in its environment and the characteristics of the perceiving eye and brain. Physically, objects can be said to have the color of the light leaving their surfaces, which normally depends on the spectrum of the incident illumination and the reflectance properties of the surface, as well as potentially on the angles of illumination and viewing. Some objects not only reflect light, but also transmit light
Judo at the 2008 Summer Olympics men, 147 women and 22 places not yet allocated to a gender. An NOC may enter up to one athlete per weight category. The qualifying places will be allocated as follows: Continental qualification places will be allocated through the ranking system based on the major tournaments on the continent (continental championships, qualification tournaments). More important tournaments and tournaments closer to the Olympics will carry more points. Deadline for the unions to confirm the places was May 21, 2008. Judo at the 2008 Summer Olympics Judo competitions at the 2008 Summer Olympics in Beijing were held from August 9 to August