![]() If, for example, one converts the LAB colour value of PANTONE 116 C into the SWOP Web coated commonly used in the USA, then one reaches a value of 20 in magenta instead of 14 as indi cated in the PANTONE Bridge Fan. In the PANTONE Bridge Fan, “equivalents” of the PANTONE spot colours on a coated and an uncoated paper grade, separated with 4 Pantone scale colours, are visualised and the CMYK values are specified.īut one thing is clear: without precise information on the substrate, print density, inks used, etc., the information provided there has only limited validity. The starting point of the PANTONE Bridge fan “What does the PANTONE Bridge CMYK colour value refer to” was the original question of the discussion. But if you now convert the underlying PANTONE Lab color value in InDesign or Photoshop into different CMYK profiles, you will get different, significantly different color values. Sp ecifically, a user asked for the conversion of PANTONE 116 C, a colour tone that is specified in the PANTONE Bridge fan in CMYK 0/14/100/0 ( here you can see the original value in PANTONE). The central question is to which standard or colour profile a CMYK value of a PANTONE colour in Bridge actually refers. PANTONE and the PANTONE CMYK values from Bridge: The Problem In the last few days, there has been a lively discussion on this topic in the Adobe Forum and in the colour management forum of hilfdirselbst.ch, which I would like to summarise briefly, as our customers often struggle with the same issues. A very frequent topic for us in the area of proofing is the optimal conversion of PANTONE colours in CMYK for classic, inexpensive four-colour printing.
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