The Federal Standard 595 color system otherwise known as FED-STD-595B provides means of comparing colors visually. It has its origin in the US military complex and is still used there as the primary source of reference for military paint. The official name of of the standard is Federal Standard 595B - Colors Used in Government Procurement. Today, the standard is widely used for choosing paint not only for the military applications, but also in government procurement, consumer and industrial products and design.

Fed-Std-595 is not being distributed digitally by the GSA, General Services Administration. This site provides designers and other users of the standard with digital renditions of colors in the FS 595B range together with conversion data to other color systems such as RGB, CMYK, NCS. Many of the colors have matches for pre-mixed commercially available paints such as Testors Model Master, Tamiya, Gunze, Lifecolor, Humbrol, Vallejo, Xtracolor.