[Scribus] Colour management confusion
Fri Nov 16 18:06:28 CET 2007
On Friday 16 November 2007 02:50:34 Hal V. Engel wrote:
> On Thursday 15 November 2007 16:59:52 rockbeer wrote:
> > Hal V. Engel wrote:
> > > What color space are you using for the cmyk color in Scribus and in
> > > Photoshop?
> > > Are they the same?
> > They aren't the same - they can't be, as the options available in each
> > application are quite different. My cm setup is:
> > Photoshop (5.5) CMYK setup:
> > Model: Built in (ICC is unavailable - any ideas why, anyone?)
> > Ink Colours: Eurostandard coated (as advised by my printer)
> > Scribus cmyk setup:
> > cmyk pictures & printer: Euroscale coated v2 (closest option to
> > Eurostandard coated, I believe)
> > All the above running on Win XP
> > Does that help?
> OK you just answered your own question. The reason the colors look
> different is because they are different becasue they are in different color
> spaces. In order to get them to appear the same when they have the same
> CMYK (or RGB) values they need to be in the same color space. You can
> prove this to yourself by pulling up an image in photoshop and assigning
> different profiles to it. This process does not change the numeric values
> of any of the colors in the image but the colors displayed on your monitor
> will change as you assign different profiles.
> As to why Photoshop will not let you set a CMYK profile perhaps this has
> something to do with how old of a version you are using. They are up to
> version 9.0 (CS3) at this time. Someone with more Photoshop background
> than me might be able to confirm that this is the issue.
> Since your printer has advised using Eurostandard coated as your OUTPUT
> color space why are you using a different profile? I was able to find a
> place to get a download of that profile. Also if the printer advised
> using it perhaps they can supply a copy of it to you. I think you would
> be much happer if you worked in a color space intended for image editing
> and then created an output file for your printer in the color space that
> they want. That is the normal process and most CM professionals advise
> against working in a small gamut output color space like those for
> > (Why is colour management so difficult, he asks plaintively. Surely it
> > could be managed so much better at OS level, i.e. a universal OS-level
> > tool that allows you to input all relevant details, configure hardware
> > profiles, and select different setups based on the task at hand, and that
> > client apps can obtain their settings from rather than having to
> > configure each client independently and just hope they play nicely
> > together.)
> Since you are using Windows you need to ask Bill and company this question.
> This is what we are working toward for our open systems but it will take us
> a while to get there. Because the Mac was the original machine that was
> used for this type of work it's systems are more advanced and some but not
> all of what you want is available there.
> But you are correct that it would be easier if the underlaying system
> provided better support and if the applications (this includes device
> driver too) used that support. But even if that was the case you would
> still need to have a basic understanding of how this worked to be able to
> properly configure such a system. So even with a system like you envision
> there is still a significant learning curve to be able to set up a proper
> color managed work flow.
> Scribus mailing list
> Scribus at nashi.altmuehlnet.de
Aside from Hal's enligtening reply, from my experience Photoshop 5.0 and 5.5
were usable for color management, but it was nowhere near as intuituve or
clear as PS 6.0+
There are some excellent hints here about Photoshop going back to PS 5 and
color management: http://www.digitaldog.net/tips/
Andrew is considered one of the real gurus of color management.
More information about the scribus