Color Color Color (American English), or colour (Commonwealth English), is the characteristic of human visual perception described through color "categories", with names such as red, orange, yellow, green, blue, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum. Color categories and physical specifications of color are associated with objects through the wavelength of the light that is reflected from them. This reflection is governed by the object's physical properties such as light absorption, emission spectra, etc. By defining a color space, colors can be identified numerically
Israel Judo Association Israel Judo Association The Israel Judo Association (איגוד הג'ודו בישראל) is a sports association in Israel, and its headquarters is located in Tel Aviv, Israel. The Association operates Israel's national judo teams, holds the Israeli Judo Championships for different age classifications, and offers courses and seminars for instructors, coaches, and referees. It is a member of the European Judo Union. The Israel Judo Association was established in 1965. Amos Greenspan, a second dan, was Chairman of the Association in the early 1970s. At that time, the Association did not easily recognize belts earned overseas, as it sought to maintain very