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I’m working in a prepress setting where our files sometimes need to move from CMYK to RGB and then back to CMYK color spaces. Yeah, I know… I’m asking for trouble, but that’s the way it is.
I have a color-critical piece that I’m currently working on. There is a blue (C100/M72/Y5/K20) that comes back after all is said and done as: C100/M80/Y20/K5.
My question is why? CMYK has a smaller gamut that should fit right into the RGB work space. The conversion back, it would seem, should result in colors at least closer to the original than I’m getting.
I’m using Photoshop CS. Color settings are Working Spaces: Adobe RGB/U.S. Web Coated (SWOP) v2; Color Management Policies: Off for RGB/CMYK/Gray; Conversion Options: Adobe ACE Engine, Relative Colorimetric Intent with Black Point Compensation and Dither for 8-bit/channel images.
I have a color-critical piece that I’m currently working on. There is a blue (C100/M72/Y5/K20) that comes back after all is said and done as: C100/M80/Y20/K5.
My question is why? CMYK has a smaller gamut that should fit right into the RGB work space. The conversion back, it would seem, should result in colors at least closer to the original than I’m getting.
I’m using Photoshop CS. Color settings are Working Spaces: Adobe RGB/U.S. Web Coated (SWOP) v2; Color Management Policies: Off for RGB/CMYK/Gray; Conversion Options: Adobe ACE Engine, Relative Colorimetric Intent with Black Point Compensation and Dither for 8-bit/channel images.
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