[NTG-context] Any plans for an active color management?

Jan U. Hasecke juh+ntg-context at mailbox.org
Mon Feb 17 15:03:03 CET 2020

Hi all,

I would like to come back to a discussion from 2018 on this list.

After printing some flyers for my cooperative I come to the conclusion
that color management *is* very difficult.

In my eyes, the only way of getting good results seems to be the
following process.

My starting point are RGB colors as we are doing online first.

So if I create a poster or a flyer I have to do this:

1. Decide which print shop will print the material.

2. Download and install the color profile for this print shop in ConTeXt.

3. Specify CMYK values by using transicc with the given profile

4. Define named corporate colors with these CMYK values for typography,
colored background in ConTeXt.

5. Convert all RGB images to CMYK using the given color profile
especially if they contain corporate colors.

Now if we decide to use another print shop, the whole process has to
start again. The result is that I end up with color settings for x
different print shops and cmyk images for x different print shops.

Are there any plans to automate these steps into ConTeXt? That would
enable us to work in RGB the whole time. Only when creating a print pdf
we would specify a color profile and ConTeXt would do the rest by
converting all rgb values to cmyk values due to the given color profile.

As this seems very complex I fear that there are no plans to do this.

What alternatives I have?

What if deliberately define my own cmyk values once and for all?

Can I work with the same cymk values no matter what profile is used by
the print shop?


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