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RichGraphix
Known Participant
March 20, 2025
Question

Clarification on Color Profile for Adobe Stock Uploads

  • March 20, 2025
  • 2 replies
  • 363 views

Hi,

After uploading vector files to my Adobe Contributor account, I’m planning to upload a few AI-generated images as well. However, I noticed that after upscaling the AI-generated images, the default color profile is set to "Untagged RGB."

According to the photo requirements on Adobe Stock, the color profile should be sRGB.

Should I convert the color profile of all images to sRGB before uploading, or is Untagged RGB acceptable? Kind regards.

2 replies

Abambo
Community Expert
AbamboCommunity Expert
Community Expert
March 20, 2025

 Untagged files can't be converted, how would you do that, as the source information is missing. If a file is untagged, there are no instructions on how to interpret the colour. IMHO, any product that does not attach a profile to their RGB data is not for professional use. But chances are that anyhow the colours are to be interpreted as sRGB.

ABAMBO | Hard- and Software Engineer | Photographer
    daniellei4510
    Community Expert
    daniellei4510Community Expert
    Community Expert
    March 20, 2025

    I've seen a couple of those that I've opened for review. I have Photoshop set up to ask me every time I open a file if I want to embed sRGB when a profile doesn't exist or is different from sRGB.. So I'm not sure if a file without a profile would look any different from sRGB.

    Adobe Community Expert | If you can't fix it, hide it; if you can't hide it, delete it.
    Abambo
    Community Expert
    AbamboCommunity Expert
    Community Expert
    March 20, 2025

    sRGB is a linear colour profile, so it fits probably all standard pixel creations. AdobeRGB has a wider gamut, and as they do that with the same amount of information, they need to do something to compress the values. They are doing so by using a logarithmic scale. 

     

    You can do the test: convert (!) your sRGB file to AdobeRGB and then set the colour profile to sRGB again. You will see the damage. 

     

    As sRGB is using a linear coding (100 is ten times more than 10 is 10 times more than 1), it is not wrong to assume that a file without a colour profile attached would be good, if interpreted as an sRGB colour profiled image. 

     

    Without a colour profile, you can only guess the intend, and guessing is never a good sign for professional colour management.

    ABAMBO | Hard- and Software Engineer | Photographer
    daniellei4510
    Community Expert
    daniellei4510Community Expert
    Community Expert
    March 20, 2025

    Convert. It's not really a suggestion, but a requiement that many people overlook and can sometimes result in problems for the buyer, depending on how the image will be used.

    Adobe Community Expert | If you can't fix it, hide it; if you can't hide it, delete it.
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