RAL Design is the RAL color system in which the colors are arranged according to the international in the color measuring technique used mathematical color space. The arrangement of the colors is structured according to the criteria of hue, lightness and chromaticity. The results of the color criteria give a seven-digit color number, for example RAL 260 30 35. The RAL design color system from 1993 was overworked in 2007. In the description of the product you can find a new 3 dimensional depiction and a depiction of the original system.