Re: RGB to CMYK - Separation Quality
Re: RGB to CMYK - Separation Quality
- Subject: Re: RGB to CMYK - Separation Quality
- From: Jim Rich <email@hidden>
- Date: Tue, 15 Jul 2003 12:02:21 -0700
Dane,
I guess your question is how can you use a program like Photoshop to convert
RGB images to CMYK and make each individual color plate look like a
Crosfield scanner separation?
One approach when using profiles is to, use the max ink values and the white
and black target values to be same as your scanner. Then make sure you have
the same gray balance and tone reproduction. I would plot the gray balance
and tone shape to be sure. Then you will see the differences in color areas
that GCR affects. If there are any differences, you can use the profile
software setting to try to make the GCR adjustments to your liking.
If there are still differences then you would have to edit the profile in
selective colors etc. to get your individual plates to match.
You will find this process quite time consuming to try and match the
individual separations. So up front you might want to consider another
question or two.
Is it worth it to create the same exact individual separations color
separations to make this client happy?
Why not get good color matches using profiles (even though you might create
different separation plates) that your client will give you the OK on?
And if your client does not want to change and it is costing you more money,
then you might want to pass that cost of that along to them. That usually
brings them back to earth.
Good Luck
Jim Rich
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