Newbie question here: lets say I asked a print shop to give me a passage that was Cyan 30 - Yellow 100, GRACoL profile. I do not have a physical swatch to show them, and I do not have a LAB value to give them. I just know that I want a passage that is Cyan 30 - Yellow 100, GRACoL profile. Is there an instrument or technique that can analyze the press sheet to see if that is what is really being produced?
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