Re: SWOPv2 is dead
Re: SWOPv2 is dead
- Subject: Re: SWOPv2 is dead
- From: Martin Orpen <email@hidden>
- Date: Sat, 28 Feb 2015 23:10:12 +0000
On 28 Feb 2015, at 20:51, Don Hutcheson <email@hidden> wrote:
>
> On the contrary, the IDEAlliance profile produced stronger shadow detail near the black point than the Adobe profile or either of the so-called “ISO Coated ...” profiles. Apparently this is because IDEAlliance profiles are made with a maximum black setting of 100%, while all the European profiles I’ve seen (and Adobe’s profiles) stop at about 90-93% K.
These images were composed of blue blacks.
The rejections were based on visual assessments of hard proofing — not soft proofing. First in the US where the client kept complaining that their blue blacks were coming back black to their repro people and then by us on our proofing system in London after we were asked to help.
I remember looking at the blues from R0 G0 B50-100 and the differences between GRACoL coated1 v2 and ISO Coated v2 were pronounced.
GRACoL stuck at least 20% more K in the seps making them appear black — which is why the clients were complaining about it.
Generating a more dark blue sympathetic GRACoL separation is no problem at our end. But you’d have a lot off difficulty fixing this if Photoshop is your only tool.
And, more than that, I’d also argue that printers and pre-press people for whom Photoshop is the only tool in their toolbox are less and less likely to have the skills and knowledge to isolate and fix these problems (which is why it ended up in London just for RGB to CMYK conversion).
--
Martin Orpen
Idea Digital Imaging Ltd
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