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Jonathan32years
Known Participant
February 1, 2022
Question

Should InDesign be in RGB or CMYK setting?

  • February 1, 2022
  • 3 replies
  • 12119 views

Hi,

I edit InDesign document and I wonder should color settings be RGB or CMYK. I will need to use this work in digital and print both. I will make it specific CMYK in export but in working space should it be RGB or CMYK?

Thank you so much!

3 replies

JonathanArias
JonathanArias
Legend
February 1, 2022

RBG apply to print also.

 

digital printing is rbg

offset printing is CYMK

 

    J
    JohnReinertNash
    Participant
    April 5, 2024

    This is incorrect, digital press printing is CMYK.  The most common CMYK standards in use in the digital print industry today are GRACoL 2013 (North America) and Fogra39 (Europe, and most of the rest of the world).

    RGB for print output is typical only for photo printers (RGB lasers or LEDs onto photo paper), or for inkjet systems (e.g. Epson, Canon, HP printers, which do the conversion from RGB to their many inks inside their RIPs).

    RGB still applies to screens, of course, with sRGB, Adobe98, and DCI-P3 as the most common standards used. Most browsers handle non-sRGB content fairly well these days.

    So, RGB for screens.  CMYK for press printing, analog or digital. RGB for many-ink inkjet printers in the "photo" world.

    Source: I'm color scientist for a major global printer.

      rob day
      Community Expert
      rob dayCommunity Expert
      Community Expert
      April 5, 2024

      Such as?   My point is that "digital printing is RGB" isn't not true in the world of print today. It's a mix of RGB and CMYK, depending on print technology, application, and what you're trying to achieve with the print. Pleasing photos and accurate brand colors require different approaches, sometimes in the same InDesign document, which is why the mixed colorspace possibilites of InDesign are powerful.

       


      I think @JonathanArias  meant that you can make the conversion from  profiled RGB to a CMYK destination anywhere in a color managed workflow—it could be in Photoshop to each individual image, or it could be done more efficiently on a PDF Export by setting the Output Color Destination profile to the press profile, or it could happen at print time from a color managed RIP. The advantage in placing profiled RGB is the conversion can be delayed when the final CMYK destination press profile is unknown.

       

      Most composite Inkjet printers use drivers that expect RGB color even when they print with a CMYK or CcMmYKk inkset. If you send CMYK color, the driver is going to convert the document CMYK colors to new values—the document CMYK values don’t print.

      rob day
      Community Expert
      rob dayCommunity Expert
      Community Expert
      February 1, 2022

      Hi @Jonathan32years , Unlike Photoshop and Illustrator, InDesign documents don’t have a color space, you can mix CMYK, Lab, and RGB colors and objects on the same page.

       

      ID documents have both CMYK and RGB profile assignments that manage the previews of RGB and CMYK native colors or images with no profile embedded. There is a CMYK or RGB Transparency Blend Space that handles transparency flattening when different color spaces are blended together, but it only affects spreads that incude transparency.

       

      When you export to PDF you can choose to leave the document colors unchanged, or make a conversion to a specified color profile, which you choose in the PDF output tab. So for a print document where you are sure of the final press profile, there would be the option to make a color managed conversion to that CMYK profile on Export—e.g. the PDF/X-4 preset with the Output Destination set. Interactive PDF exports automatically convert everything to sRGB

       

      For screen viewing you would set the Output Destination to sRGB and all CMYK, Lab, and profiled RGB color would be converted to sRGB on the export.

        J
        Jonathan32yearsAuthor
        Known Participant
        February 1, 2022

        Okay, I didn't know that. I thought it was just like in Photoshop. 

        I have PSD-file image where I use Adobe RGB (1998) color. And that color should be used in InDesign too, I tried to make some changes to Color Settings in InDesign but I don't know did that make anything really. 

        I now made InDesign file for Web, some it maked it automatically RGB. And then I place there those Adobe RGB (1998) images. I will add some text, which color will be only black. I will add nothing else in InDesign, only black text. 

        And when I have placed black text and those Adobe RGB (1998) images I should be able to export that to Adobe RGB (1998) for web use and also specific CMYK profile that I will get from print company?

         

        I'm just nervous will colors go wrong when I apply different color profile...

         

        This info is important but makes my head spin, so many things where I can mess up and do something wrong. Thank god this Support community exist and there are people like you do tell people like me some hard facts 😄 

        Derek Cross
        Community Expert
        Derek CrossCommunity Expert
        Community Expert
        February 1, 2022

        What do you mean "I've made an InDesign file for web"?

        Derek Cross
        Community Expert
        Derek CrossCommunity Expert
        Community Expert
        February 1, 2022

        Work in RGB color mode, do not convert to CMYK unless your printer specifically asks you to.

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