Talk:International orange

USCG stripe not orange?
The US Coast Guard pages specify the stripe as red: and 

That article has solid citations,. 16:30, 21 March 2007 (UTC) Twostrokebuzz 16:31, 21 March 2007 (UTC)

Authoritative definitions of International Orange
Is there any official source for the RGB, CMYK, Pantone etc. definitions of International Orange? Some one posted BF2S Color Guide as a source, but it doesn't look too "official".

Golden Gate Bridge
For "official" International Orange see the CFR specification below.

On goldengatebridge.org it defines International Orange as PMS code 173 or the CMYK colors are: C= Cyan: 0%, M =Magenta: 69%, Y =Yellow: 100%, K = Black: 6%

However, I am not sure how authoritative goldengatebridge.org is.--Trounce (talk) 21:35, 4 February 2008 (UTC)

goldengatebridge.org is operated by the bridge district itself so its information can probably be considered definitive.

Note that the bridge is not painted "official" international orange, but according to the bridge's purchasing manager it is painted a custom color called "Golden Gate Bridge International Orange": https://www.flickr.com/photos/telstar/2903029

The page at http://goldengatebridge.org/research/facts.php#cmyk contains this statement: "Paint stores can mix it with the following information: CMYK colors are: C= Cyan: 0%, M =Magenta: 69%, Y =Yellow: 100%, K = Black: 6%."

Could this be the actual formula used by Sherwin Williams who manufacture the paint?

The page also gives three different Pantone codes (173, 174 and 180) — which one is correct? Each has markedly different RGB components, casting doubt on the accuracy of the Pantone approximations:

Pantone 173: RGB 207 69 32 Pantone 174: RGB 150 56 33 Pantone 180: RGB 193 67 60

Converting the CMYK values of C= Cyan: 0%, M =Magenta: 69%, Y =Yellow: 100%, K = Black: 6% gives us the single RGB value of 240 74 0, or hex f04a00. http://www.rapidtables.com/convert/color/cmyk-to-rgb.htm

Note that attempting to convert the CMYK formula to a single Pantone number results in several different approximations depending on the color distance chosen, none of which is the exact RGB color corresponding to the CMYK values. In addition, note that there is no Pantone color corresponding to #f04a00: http://goffgrafix.com/pantone-rgb-100.php. The Pantone numbers should thus be considered gross approximations at best, not as accurate conversions. --Chris319 (talk) 05:20, 10 May 2016 (UTC)

CFR Specification
In the United States the U. S. CFR (Code of Federal Regulations) assign a FED-STD-595 Color Code of 12197 to International Orange. This color can be viewed at http://www.colorserver.net/ BFAyer (talk) 13:56, 5 September 2008 (UTC)

Aviation orange?
This article would benefit from a comparison with aviation orange, the hue used in antenna towers in U.S. as required by FAA and FCC. Aviation orange might be worth a separate article. T71024 (talk) 06:40, 7 May 2014 (UTC)

I find this article a bit confusing. Presumably, international orange - as almost implied by the name - would be subject to some international standardization or agreement (of which FS 12197 would be the US implementation), yet I find none such references in the page. Also, there seems to be a strange conflict between the aerospace use and engineering/military use, at least going by the examples. The X-1, being a military project, very likely would have used FS 12197, yet is mentioned as an example under aerospace. Also, the reference (2) for the Golden Gate color is anything but exact or official. --Lasse Hillerøe Petersen (talk) 12:14, 4 February 2018 (UTC)

Tokyo tower. which International Orange is it?
The Tokyo Tower is apparently International Orange - but which shade? (Hohum @ ) 19:40, 3 July 2018 (UTC)

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