InDesign Transparency Blend Glitch for CMYK for offset print

Forum|Forum|1 year ago
February 19, 2024
3 replies
579 views

Hi, I'm trying to prepare an InDesign file to print offset that has transparencies. When I set the transparency blend space to RGB, the colors looks bright, but when I set it o CMYK everything looks dulled. I've been looking at tutorials, and am baffled.

Is it somthing to do with other color settings?

I don' really know much about that.

How to

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Rene Andritsch

Community Expert

The color space of RGB is much larger than that of CMYK. That is the cause why images can “change” their color if you use the workflow you described. If you want to see your images in a CMYK preview you can also work in Photoshop first, before importing your images into InDesign. In Photoshop you can convert your images to a CMYK profile to see how they will change from RGB. This can be found in the Photoshop Edit Menu > Convert to Profile …

rob day

Community Expert

Also, Photoshop has the equivalent to InDesign's Overprint Preview—View>Proof Colors with the Proof Setup set to the default Working CMYK. Both apps let you preview and check CMYK output values without actually commiting to a (destructive) conversion to CMYK.

askinnnAuthor

Participant

Hi Rob,

Thanks for the reply. That is very helpful and did not know that.

I am very old school and have been converting my RGB phoos to CMYK for years.

Are you saying it is okay to use RGB files in my InDesign to send to the printers, and the quality is better? Does that include packaged InDesign, or is that only good for press ready PDFs?

rob day

Community Expert

I'm trying to prepare an InDesign file to print offset that has transparencies.

Hi @askinnn , Whether you are using transparency or not, for print output you’ll need to turn on Overprint/Separation Preview for an accurate print soft proof:

Willi Adelberger

Community Expert

The gamut of CMYK is different than RGB files. It is normal that process colors are not so vivid in CMYK in print. Either you have to live with this fact or work with additional spot colors.

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