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Gem_WW
Participating Frequently
August 10, 2023
Question

CMYK Colours in RGB format?

  • August 10, 2023
  • 2 replies
  • 636 views

I need to save an illustration as JPEG in CMYK colours but in an RGB format in order to upload it to a portal. This is their specifications. I'm clearly being thick becuase no matter what I do, it doesn't work! It also needs to be under 10mb. Any ideas on what I'm doing wrong?

    2 replies

    G
    Gem_WWAuthor
    Participating Frequently
    August 10, 2023

    Also noticed that when I export my file, although sized as their required 2563px x 3567px, on export it is in my folder showing as 10655px x 14867px - which could be why it won't accept it no matter what the colour preferences are. How do I export it as the exact size I require? 


    Monika Gause
    Community Expert
    Monika GauseCommunity Expert
    Community Expert
    August 10, 2023

    WHen you set up your file in the desired pixel dimensions, then you need to export at 72 ppi in order to get those exact dimensions in the output raster file.

    G
    Gem_WWAuthor
    Participating Frequently
    August 10, 2023

    How do I ensure 300dpi when exporting to the exact dimensions if I have to export at 72 ppi? Think I'm in way over my head! - Sorry for all the questions, I really appreciate your help.

    Monika Gause
    Community Expert
    Monika GauseCommunity Expert
    Community Expert
    August 10, 2023

    In an RGB format?

    CMYK colors?

    Can you post the exact wording of those specifications?

    G
    Gem_WWAuthor
    Participating Frequently
    August 10, 2023

    'Error uploading your design. Please ensure the image dimensions are 2563px x 3567px, the resolution is 300dpi, using CMYK Colours but in an RGB Format, and file size not greater than 10MB' 

    That is taken from their upload portal. Please tell me it doesn't make sense to you either     🙊

    Lukas Engqvist
    Community Expert
    Lukas EngqvistCommunity Expert
    Community Expert
    August 10, 2023

    I think they are refering to that it should be in RGB but that the colours should be in the CMYK gamut. Use Proof Colours to see that the colours are not flat, but work in RGB, this is normal practice when preparing images for print in Photoshop, it is more rare in Illustrator since there is no control of pure black, separations or overprinting in this workflow. Knowing which CMYK and what RGB profile to use would be key if you want to have predictability. If nothing is stated when it comes tho colour management use the Europe or US General Purpose colour management settings.

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