It is often the case that a printing company will have several presses and dozens of types of paper in stock so creating so hundreds of profiles and ensuring that the correct one is used to convert the RGB data in a job would become unmanageable. It is possible to create an ICC profile for a press but they are very variable devices and a better approach is to usually to get the press to conform to a standard rather than profile them individually. CMYK printing presses can use different types of ink, different types of paper, have different tonal reproduction curves (dot gain) and generally print very differently from one another. Using a profile that doesn’t reflect even roughly how the CMYK data will be printed on press could result in poor colour reproduction. Why is the CMYK Working Space Important?When you convert a file from RGB to CMYK it is the profiles that you use that determine what CMYK values you get from the RGB data. For CMYK the situation is a little simpler as there is one very clear winner. In my last post I discussed which RGB working space to use in Photoshop.įor RGB there are three common choices competing for your attention, each of which had their pros and cons. Your choice of CMYK working space can be vital for good colour reproduction.
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