Re: What flavour of CMYK to supply
Re: What flavour of CMYK to supply
- Subject: Re: What flavour of CMYK to supply
- From: "Stephen Marsh" <email@hidden>
- Date: Fri, 22 Nov 2002 18:01:02 +1100
Nick Tresidder writes:
>
> I realise there are many, many variables here but in the absence of
>
> more info from some clients what do I give them?
Bruce Fraser replies:
>
In the absence of any better information, I'd suggest separating to
>
the US Sheetfed Coated v2.0 profile that comes with Photoshop, but
>
you should probably put some kind of disclaimer in the contract about
>
responsibility for accurate color...
With the 350% total area cover of this flatsheet profile, I would think that
some web printers might have issues with this shadow build? With dot gain of
around 23/24/24/27 at least you will not be getting a dark image, I prefer
to go a bit lighter than darker if the conditions are not known (the TR001
has lower gains than the flatsheet profile, which seems strange by default
or average).
I use the US Web Coated (SWOP) v2 profile which is based on TR001 data (or
Chromix TR001 profiles with UCR/GCR variants) as default choice, if press
conditions are not known (and we can rule out uncoated or newsprint). I for
one would feel safer with a 300% TAC ending up on a web press than a 350%,
and even for known flatsheet in good conditions I usually run with 330%. The
gray balance for the TR001 profiles is pretty good too, as is the GCR used
in the profile (appears to be around 'medium' in Photoshop Custom CMYK
terms).Of course, this all presumes a full colour image, if reproducing a
four colour greyscale - then I would be separating with legacy Custom CMYK
with SWOP Heavy GCR and also manually performing GCR on the lighter tones of
the heavy GCR sep via channel mixer edits in Photoshop, just to play things
safe.
Just my $0.02
Stephen Marsh.
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