Guten Morgen Peter.
Wie geht Es Ihnen ?
Thank you for your quick answer confirming this behavior.
I’m not crazy and that’s a good starting point.
I used a PDF/X-4 export in which no color conversions are allowed, just an output
condition name.
I tried with the latest Pantone color swatch library available in In Design and
Illustrator aka PANTONE+ Solid Coated.
I exported the complete library in CXF and saw it was possible to obtain a Lab or a RGB
(sRGB) file.
So, I don’t know what mechanism Adobe uses for choosing the proper one.
Sincerely.
Axel
From: Peter KLEINHEIDER <peter(a)inpetto.cc>
Reply to: "eci-en(a)lists.callassoftware.com"
<eci-en(a)lists.callassoftware.com>
Date: Friday 10 June 2022 at 10:30
To: "eci-en(a)lists.callassoftware.com" <eci-en(a)lists.callassoftware.com>
Cc: Vincent GUILLE <vincent.guille(a)ubisoft.com>
Subject: [ECI-EN] Re: Spot Colors | Alternate Color Space behaviour | PDF export.
Hi Axel,
I am aware of such an issue.
Usually you get this when
- the spot color is defined with CMYK as "base" color in Indesign
- you use an export setting that tags all colors (e.g. when using the PDF/X-3 export
setting)
and I am sure, that there other possibilities as well.
best
Peter
On 10.06.2022, at 10:07, Axel Robert
<axel.robert@ubisoft.com<mailto:axel.robert@ubisoft.com>> wrote:
Good morning.
I was wondering if somebody else already experienced and solved this problem, as well.
We built, dedicated to creative agencies, a specific color settings and pdf export couple
for certain production files in which we manage ourselves the RGB to CMYK conversion. It’s
almost a late binding workflow before sending the final PDF to our printers.
So, all raster images remain in a specific RGB color space while Benday and vectors are
still in CMYK.
So far, we did have any issue, but we recently received a document with a Spot Color
template in it.
And when we checked it, it appeared it had been tagged on the Alternate Color Space with
an ICC profile (no more specific indication).
We tried to find why without any success.
But we also experienced the same after many tests in In Design and Illustrator by creating
a simple vector shape to which we added a Spot Color from the latest Pantone library.
The PDF export has no color conversion except an OI and OC for the PDF itself.
And despite all the color swatches we use, the result is equal.
The only difference lies when we use a PDF Export Preset which converts colors to the
destination.
In such a way, the Spot Color uses the CMYK mode as by default Alternate Color Space.
How is it possible?
Would you have any idea?
Thanks!
Axel
UBISOFT | Axel ROBERT |Senior Manager, Prepress & Quality
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