[argyllcms] Re: Profile generation with perceptual intent with compensation for paper white
- From: Production <production@xxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Fri, 22 Sep 2017 10:28:48 +0100
On 22 Sep 2017, at 08:59, Gerhard Fuernkranz <nospam456@xxxxxx> wrote:
Granted that the paper is really perceived blue under the customer's
real-world viewing conditions (not considering artificial viewing booth
conditions), then I'm wondering what's the rationale for choosing
such an OBA-rich paper for this particular purpose?
Aren't there more neutral papers available on the market?
And generally:
I can understand that OBAs are used to make yellow-ish paper "white"
under typical viewing conditions, but is it really necessary that
paper manufacturers over-dose the OBAs so heavily, that printing
houses feel forced to use special profiles which attempt to compensate
the blue-ish tint again?
Are there good reasons for the high OBA usage, or is it just
marketing ("our paper is whiter than that of the competitor" - meaning
actually that it is blue-er)?
Hi Gerhard
We don’t have a choice over paper, our role is pre-press and to achieve the
best reproduction under *any* print conditions.
Coated papers have a relatively restricted range of b values so FOGRA51 isn’t
that difficult to work with.
Uncoated papers range from very yellow through to b -9 and beyond, so we always
knew that FOGRA52 would be an *interesting* standard :)
We knew in advance that we would have to use proofing papers that won’t match.
We also knew that we would often need to be given the media white values of
specific papers so that we could edit the proofing profiles to provide a better
match.
This extra complexity already makes me unhappy — so arguing with clients about
what is neutral, or if blue skin suits their models, is something I could
really do without :(
Regards
--
Martin Orpen
Idea Digital Imaging Ltd
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