Converting CMYK to RGB preserving colors in Adobe Illustrator

Question

Hello All,

After a long chat with assistance I've been redirected here since they had no idea.

I'm trying to convert an .ai file from CMYK to RGB preserving the colors. I am after vectors files in RGB. I have been able to export PNGs in RGB that are prefectly matching with the colors in the CMYK one, confirming that I am working in the gamut, this conversion is possible but I can't see a way to make it heppen in Illustrator.

The only way I can see is to go File > Document Color Mode and change to CMYK to RGB. By doing this the colors change radically. I have seen that there are very small options for the conversion under Edit > Color Settings > Conversion Options; I did play a bit with these parameters but nothing that really matches the original colors.

It strikes me because it should be such a simple thing.

I have attached the files: the first one is how the CMYK document looks like and how the PNG comes out, the second one is how Illustrator changes colour mode from CMYK to RGB.

Ton Frederiks · Accepted Answer

Untagged CMYK is the problem. Go to Edit > Assign Profile... and assign the profile you think it should have.

Is there a reason you use Apple CMM for conversions in Adobe applications?

Why Absolute Colorimetric? Perceptual or Relative Colorimetric would probably give better results.

Ton Frederiks · Answer

Can you show your Edit > Color Settings...  and the document color profile of your CMYK document?For the document color profile see the option at the bottom of your window:

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