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I can't apply selected color in CMYK mode but can apply RGB mode.

  • What do you mean by "apply selected color"?
    – Cai
    Jun 20 '16 at 10:21
  • I select blue color as a foreground but when i fill this color on the document it seems another color that you seen on picture. Jun 21 '16 at 5:46
  • But RGB mode is no problem to apply color. Jun 21 '16 at 9:30
  • RGB has more saturated blues than CMYK which simply can not do so so far the application is emulating the papers tonal range. This is the closest you can get.
    – joojaa
    Jun 21 '16 at 9:41
  • 2
    The RGB blue you want doesn't exist in CMYK its as simple as that.
    – Cai
    Jun 21 '16 at 9:54

Yes, the CMYK colour space is smaller than the RGB space. So when you move from RGB to CMYK your colours are mapped to the nearest printable colour. To generalize, the RGB space has more very saturated "bright" colours. For in depth info, read up on 'additive' (RGB) and 'subtractive' (CMYK) colour.

  • Could you send me a blue color design ( any thing ) in CMYK mode. Which will show blue color if I print it. It seems that every dark color is become light color in CMYK mode than RGB mode, isn't it right? Jun 21 '16 at 12:54

This might help you understand it better: enter image description here


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