From: luigi scarso <luigi.scarso@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Colormanagement
Date: Fri, 9 Nov 2018 17:20:08 +0100 [thread overview]
Message-ID: <CAG5iGsBR9NjRF7MfVBDXjVmK131URXYHSJeBoM5oZqV8WO_hMw@mail.gmail.com> (raw)
In-Reply-To: <b048cb06-c527-0096-18a3-5c94d945b371@mailbox.org>
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On Fri, Nov 9, 2018 at 4:24 PM Jan U. Hasecke <juh+ntg-context@mailbox.org>
wrote:
> Hi all,
>
> I defined some colors with \definecolor like this:
>
> \definecolor [myblue] [r=0.000, g=0.314, b=0.580, c=0.98, m=0.67,
> y=0.03, k=0.12]
>
> \startnotmode[print]
> \setupcolors[cmyk=no,rgb=yes]
> \stopnotmode
>
> \startmode[print]
> \setupcolors[cmyk=yes,rgb=no]
> \setupbackend[
> format=PDF/X-3:2003,
> intent={ISO Coated v2 300\letterpercent\space (ECI)},
> ]
> \stopmode
>
> When I use "context" or "context --mode=print" everything works as
> expected.
>
> But! I have SVG icons I want to use in the document. They contain the
> above defined rgb colors.
>
> When I use --mode=print I get different colors for the SVG icons.
>
> So context converts the SVG files to PDFs but does not change the colors
> accordingly to CMYK.
>
> What are my options? Do I miss something?
>
> 1. Let the designer produce icons in pdf with the given cmyk colors.
>
> 2. Don't use cmyk colors at all.
>
> In fact on my home printer the printed rgb colors look brighter than the
> cmyk colors. This might change in the print shop when they print with
> the right color profile, but it makes me nervous.
>
I think you should use the best colorspace (<something>rgb )
and let the print shop do its job -- of course this means that you have
signed their sample (hard proof) of your project.
Hraban ?
--
luigi
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next prev parent reply other threads:[~2018-11-09 16:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-09 15:24 Colormanagement Jan U. Hasecke
2018-11-09 16:03 ` Colormanagement Hans Hagen
2018-11-09 16:18 ` Colormanagement Tomas Hala
2018-11-10 13:29 ` Colormanagement Jan U. Hasecke
2018-11-09 16:20 ` luigi scarso [this message]
2018-11-10 13:34 ` Colormanagement Jan U. Hasecke
2018-11-10 16:24 ` Colormanagement Hans Hagen
2018-11-12 8:02 ` Issues with RGB to CMYK conversion with color profiles (was: Colormanagement) Jan U. Hasecke
2018-11-12 8:34 ` Issues with RGB to CMYK conversion with color profiles Hans Hagen
2018-11-14 10:39 ` Issues with RGB to CMYK conversion with color profiles (was: Colormanagement) Jan U. Hasecke
2018-11-14 10:41 ` Jan U. Hasecke
2018-11-14 13:58 ` Peter Rolf
2018-11-14 14:36 ` Jan U. Hasecke
2018-11-14 15:04 ` Peter Rolf
2018-11-14 15:31 ` Jan U. Hasecke
2018-11-14 15:51 ` Issues with RGB to CMYK conversion with color profiles Wolfgang Schuster
2018-11-18 18:26 ` Hans Hagen
2018-11-19 9:56 ` Henning Hraban Ramm
2018-11-19 10:14 ` luigi scarso
2018-11-21 14:01 ` Jan U. Hasecke
2018-11-21 14:42 ` luigi scarso
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