by Ron Joseph
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January, 2005
Converting Fed. Std. 595 Color to Pantone and RAL
Q. Could you please inform us if there is a table or something to compare Federal
Standard Colors with the European RAL or PMS Colors? We are looking for the
Federal Standard Color " 24373 / FS595A " Thanks already for your support, from
The Netherlands
A. There is no table betwen these standards but they are ways to get the answers
using a spectrophotometer and color conversion software.
The nearest PMS equivalent of FED-STD-595A #24373 is:
Pantone 7494 C with a color difference of 5.6 (DeltaE*ab), mostly due to lightness
(the FED-STD chip is darker). This is a very noticeable difference.
The nearest RAL equivalent of FED-STD-595A #24373 is:
HLC: 130 70 20 with a color difference of about 6, due to both lightness and
chroma (the FED-STD chip is darker and less saturated). This is also a very
noticeable difference.
The exact RAL equivalent of FED-STD-595A #24373 is: HLC: 126 65.1 16.0
Note that RAL is based on a 10 degrees Observer and D65 Illuminant.
Other equivalents of FED-STD-595A #24373 are:
L*a*b* (D65, 10 degrees Observer):65.1/-9.5/12.9
L*a*b* (D65, 2 degrees Observer):65.5/-12.1/12.5
L*a*b* (D50, 2 degrees Observer):65.4/-11.4/12.0
Munsell: 8.2GY 6.4/2.5
If you have a RAL patch set, the FED-STD patch is about mid-way between the
130 70 20 and 120 60 10 patches.
Get back to us if you have more questions.
Best regards, from Canada
Danny Pascale
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