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Dilpreet2270796420yg
Participant
January 18, 2022
Question

Colour selection

  • January 18, 2022
  • 3 replies
  • 247 views

Hi, please can someone help!!

I'm working in CMYK mode and when I select a colour from the picker(says RGB mode) it does not show as the same colour on the screen/my image. Why does the colour I select not appear the same? in the image you can see the colour in the picker is bright and colour in background is dull???

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3 replies

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
January 19, 2022

You first asked this question in another thread, but it's better to start a new thread like you've done here, so that's good.

 

In short, the color is out of gamut, like c.p. says.

 

That has nothing to do with Photoshop, it's just the limitations of offset printing processes. The color can't be reproduced in CMYK; the inks aren't saturated enough at that density.

 

CMYK is always tied to a specific printing process - an offset press calibrated to a certain standard, using specific inks on specific paper stock. It's where the rubber hits the road, so to speak. There's no such thing as a generic and ideal "CMYK".

 

CMYK is strictly for commercial offset print! For everything else you should be in RGB. Even desktop inkjet printers expect RGB data.

    c.pfaffenbichler
    Community Expert
    c.pfaffenbichlerCommunity Expert
    Community Expert
    January 19, 2022

    For Illustration: A screenshot of a comparison of U.S. Web Coated (SWOP) v2 and sRGB IEC61966-2.1 in ColorSync Utility. 

    c.pfaffenbichler
    Community Expert
    c.pfaffenbichlerCommunity Expert
    Community Expert
    January 19, 2022

    Please set the Status Bar to »Document Profile« and post a screenshot to make sure what the image’s Color Space is. 

     

    If you are not familiar with working in CMYK yet you may want to read up on Color Management in general. 

    In your screenshot the Color Picker indicates that the selected color is out of gamut and provides a preview. 

     

    Edit: When working in CMYK one should pay attention to the out-of-gamut warning when selecting colors. 

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