According to researchers, water, redundice are the main colors in the field, and second-degree colors (thano) and the third grade and colors of these three are derived from the classics of colors or ultraviolet lights and reds, whose mixing colors are called primary colors. The main colors of the water, the two reds of the U.S. are cousins, meaning that they have not obtained any color from the compound, but are derived by the cynics, so their description of the pure color concept (color).