Reply To: PDF with different Color profile

Hi,

Elaborating the issue, the advantage of converting *first* in Photoshop comes when you have a given picture that would benefit clearly from a manual intervention and you do it (best before converting to CMYK).

(And even then, you could let the picture stay in RGB and just apply adjustment layers and masks so as not to alter the picture data in a non reversible way.)

Otherwise, it is true that, if what you are going to do is just changing the image to CMYK from Photoshop, there’s no advantage whatsoever over doing that straight away in InDesign while exporting to PDF. The color conversion would be exactly the same given the same parameters (ie: colour profiles and rendering intent applied).

I guess that nowadays is best to make the RGB-CMYK conversion as late as possible in the workflow.