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1 day ago · A proton is composed of two up quarks, one down quark, and the gluons that mediate the forces "binding" them together. The color assignment of individual quarks is arbitrary, but all three colors must be present; red, blue and green are used as an analogy to the primary colors that together produce a white color.
1 day ago · Golden yellow is the color halfway between amber and yellow on the RGB color wheel. It is a color that is 87.5% yellow and 12.5% red. The first recorded use of golden yellow as a color name in English was in the year 1597. Golden Yellow is one of the colors of the United States Air Force, along with Ultramarine Blue.
2 hours ago · Later, a shade of slate gray center color replaced the white color on the earlier roundel. When the Americans starting using the added white bars to either side of their blue/white star roundel on 28 June 1943; SEAC British Corsairs, most all of which still used the earlier blue/white Type C roundel with the red center removed, added similar white bars to either side of their blue-white roundels to emulate the Americans.
