Hex triplet #FF4F00 CMYK (c, m, y, k) (0, 69, 100, 0) | sRGB (r, g, b) (255, 79, 0) HSV (h, s, v) (19°, 100%, 100%) | |
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International orange is a color used in the aerospace industry to set objects apart from their surroundings, similar to safety orange, but deeper and with a more reddish tone.
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Aerospace
This is the shade used by NASA.
The Bell X1, the first airplane to break the sound barrier, was also painted in International Orange.
Golden Gate Bridge
Above is displayed the tone of international orange used to paint the Golden Gate Bridge.
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), thus increasing its visibility to ships.
Engineering
In the adjacent box 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.