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Participating Frequently
January 19, 2018
Answered

Inaccurate color in Photoshop

  • January 19, 2018
  • 3 replies
  • 1551 views

Wondering if any Photoshop experts might be able to help me solve this. I am attempting to edit jpg photos that make up a panorama. When I open the file in Photoshop, it seems to change color. In the attached screenshot you can see the original panorama on the right and the individual photo as it looks when I open it in Photoshop. I'm on a Mac and the Photoshop color profile is ProPhoto RGB. Photoshop CC version 19.0 -- I haven't changed any settings and have not experienced this until yesterday. Thanks for any recommendations.

    This topic has been closed for replies.
    Correct answer D Fosse

    When I change the profile to sRGB nothing happens.

    Just to make sure »Assign«, not »Convert«?

    I don't know what you are referring to when you say set the Status bar to Document Profile.

    The field in the lower left corner of the image window.


    c.pfaffenbichler  wrote

    When I change the profile to sRGB nothing happens.

    Just to make sure »Assign«, not »Convert«?

    Er...this is a ProPhoto file, with ProPhoto numbers - so obviously joanp needs to convert and not assign.

    There is nothing wrong with the color settings (and I didn't think there would be). The problem is that it's a ProPhoto file, viewed in an application without color management. If the OP wants to use non color managed software, there is only one thing to do: use sRGB.

    So Joan:

    • Go into Lightroom Preferences > External Editing, and change the color space rolldown there from ProPhoto to sRGB.
    • The working space in Photoshop doesn't matter. The embedded document profile coming from Lightroom or anywhere else will always override it. If it's sRGB from Lightroom, that's  how it will be saved from Photoshop.
    • For existing files, Edit > Convert to Profile > sRGB IEC61966-2.1. This will take care of the immediate problem.
    • Stay away from ProPhoto and Adobe RGB until you understand the implications.
    • While there is no immediate harm in having ProPhoto as working RGB, it serves no sensible purpose either. Change that too, into sRGB.

    3 replies

    Participating Frequently
    January 19, 2018

    The jpg displays correctly when imported into Photoshop from Lightroom.

    It displays incorrectly when opened from my hard drive with no involvement with Lightroom.  The images I am attempting to open/edit in Photoshop have no color profile.

    D Fosse
    Community Expert
    Community Expert
    January 19, 2018

    Even if it has no profile it is still a ProPhoto file. The numbers are recalculated according to the document profile in effect when the file is created.

    Stripping the profile just makes it worse, because then you no longer have a reference to what the numbers mean.

    Yes, it will open incorrectly when opened from your hard drive if there is no color management on the file.

    Don't use ProPhoto until you understand these things. Use sRGB, that will minimize any damage.

    c.pfaffenbichler
    Community Expert
    Community Expert
    January 19, 2018

    It seems peculiar how some people sometimes seem to assume that whatever application/s they use beside Photoshop show/s an image »correctly« while Photoshop show/s it »incorrectly«.

    Does the image have an embedded Colour Profile?

    What happens when you assign sRGB (Image > Assign Profile)?

    Please set the Status Bar to »Document Profile« and post another screenshot.

    Participating Frequently
    January 19, 2018

    The image doesn't have an embedded color profile.  When I change the profile to sRGB nothing happens.  Sorry, but I don't know what you are referring to when you say set the Status bar to Document Profile.

    Participating Frequently
    January 19, 2018

    Here a screenshot of the status bar:

    D Fosse
    Community Expert
    Community Expert
    January 19, 2018

    It would have helped to compare the same section of the image.

    This is how a ProPhoto file looks without color management on a standard gamut display. The correctly color managed version on the right:

    So the question is - what application are you using to view the file outside Photoshop? Is it color managed?

    Participating Frequently
    January 19, 2018

    The jpgs come from a panoramic stitching program that is proprietary to Planetar, a real estate tour company.  I download the jpg files to my hard drive first, then open them in Photoshop.   If I open the files in Lightroom first, then from Lightroom click on edit in Photoshop -- the jpgs display with proper colors.  But when I open from my hard drive, I get the funky colors.  This only started happening yesterday and I haven't changed anything.

    D Fosse
    Community Expert
    Community Expert
    January 19, 2018

    There is a gotcha here: Lightroom by default exports to Photoshop as ProPhoto. Photoshop will then preserve this profile and that's how the file saves out from Photoshop.

    The problem with ProPhoto is that it absolutely requires full color management to reproduce correctly. But lots of software doesn't do that.

    What you need to do is either change the Lightroom preference to sRGB instead of ProPhoto - or convert to sRGB in Photoshop. An sRGB file will display roughly right even without color management on most standard displays.

    I have said many times here that I think the Lightroom default of ProPhoto is a monumentally bad idea. Beginners can't be expected to understand this. The people who do need or want to use ProPhoto are advanced users who can figure this out by themselves, and they don't need to be spoonfed.