Variations of International Orange: (1. 1) Golden Gate Bridge: The Golden Gate Bridge is painted international orange. International Orange (Golden Gate Bridge). Color coordinates Hex triplet #C0362C sRGBB (r, g, b) (192, 54, 44) CMYKH (c, m, y, k) (0, 72, 77, 24) HSV (h, s, v) (4°, 77%, 75 %) Source GGB/Pantone B: Normalized to[–255] (byte) H: Normalized to[–100] (hundred). Above is displayed the tone of international orange used to paint the Golden Gate Bridge. According to the Golden Gate Bridge, Highway and Transportation District, the tone of international orange used to paint the Golden Gate Bridge is most closely matched by Pantone color 180. Pantone color 180C is equivalent to the hex code #C0362C. The tone of international orange used to paint the Golden Gate Bridge is slightly lighter than the standard International orange used by military contractors and in engineering (shown below) in order to increase its visibility to ships. (1. 2) Engineering: International Orange (Engineering). Color coordinates Hex triplet #BA160C sRGBB (r, g, b) (186, 22, 12) CMYKH (c, m, y, k) (0, 88, 93, 27) HSV (h, s, v) (3°, 94%, 73 %) Source FedStd 595 B: Normalized to[–255] (byte) H: Normalized to[–100] (hundred). At right is displayed the generic tone of international orange used by military contractors and in engineering generally. The source of this color is Federal Standard 595, a U. S. Federal Government standard set up in 1956 for paint colors which is mostly used by military contractors and also in engineering. International orange is designated as Federal Standard 595 color #FS 12197