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Hi Henning Hraban, I contacted three print shops and they demand three different color profiles, one of them prints on "100 % recycling paper" with an uncoated profile. The other two use ISO Coated v2 300% and Coated Fogra 39. Being online shops I think they will complain if not the right profile is provided. But anyway. I will summarize: Am 17.02.20 um 16:35 schrieb Henning Hraban Ramm:
That means you should keep your photos in (profiled) RGB. Probably best use sRGB to stay device independend, because that’s default for monitors, even if printshops like Adobe RGB or one of the profiles that shrink the RGB color space to printable colors.
1. All my images should be profiled. I think I can do this in Gimp.
For type and logos I still rely on (device dependend) CMYK colors and my experience how they’ll come out in Euroscale printing.
Device depended means what? I did this to convert our RGB corporate colors to device depended CMYK: transicc -i sRGB.icc -o Fogra/Iso-whatever.icc But what shall I do with the logo? It is a RGB SVG. Do I understand you correctly that the best would be to ask someone with Indesign to convert it to CMYK with the above cited profile chain? Or shall I tell the designer: These are the values I need as CMYK, just do it.
Colors that you define in TeX or Metapost are a different problem. I *think* they should use the output intent as their profile. But I don’t know if the intent option of \setupcolors and/or \setupbackend really works this way. (My only means to check was Acrobat Pro 9, and that won’t run on a current macOS any more.)
I do it like this: \startmode[fogra39] \definecolor [hs-logoblau] [c=1.000, m=0.735, y=0.279, k=0.160] \definecolor [hs-dunkelblau] [c=0.844, m=0.544, y=0.070, k=0.000] \definecolor [hs-hellblau] [c=0.468, m=0.220, y=0.086, k=0.002] \definecolor [hs-orange] [c=0.127, m=0.832, y=1.000, k=0.042] \setupcolors[cmyk=yes,rgb=no,] \setupbackend[ format=PDF/X-3:2003, intent={Coated FOGRA39 (ISO 12647-2:2004)}, ] \stopmode I like your thought that all profiles are more or less the same. That would mean that my designer could convert our SVG logo and our SVG icons to Device-profiled CMYK-PDF and I am good. Thanks for your help. juh