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Inspiring
Oct 19, 2017 2:21 AM UTC
Released

P: LUT/Color Profile problem

LUT Color Profile Problem in Lightroom Classic

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48 replies

johnrellis
Legend
Apr 12, 2021 10:51 PM UTC

This conversation is marked Solved, meaning Adobe thinks the problem was addressed (at least a couple years ago).  I suggest these steps:

- Test if your display profile is corrupted or incompatible with LR:

http://www.lightroomqueen.com/articles-page/how-do-i-change-my-monitor-profile-to-check-whether-its-corrupted/

That is the most common cause of color and tonal differences between Library and Develop. 

- If you still see a difference between Library and Develop after setting the display profile to sRGB, then start a new thread describing your problem.

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Inspiring
Apr 12, 2021 9:17 PM UTC

Is there any news on this?

I am seeing a very similar (but opposite) problem with Lightroom 10, Mac OS Catalina 10.15.5 and a display profile that uses XYZ LUT.

In the Develop module the images show correctly, while in the Library module the blacks are crushed.

This happens with both JPEG and RAW images and with both embedded and smart previews.

Disabling GPU acceleration makes no difference and the config.lua file doesn't seem to work anymore. The file is parsed correctly and the option appears in system info but Metal is still used instead of OpenGL.

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Participating Frequently
Oct 29, 2017 6:36 AM UTC
I'm able to switch to open GL using config.lua but there is still a difference in the display of dark images in develop module depending on whether the GPU is enabled (with open GL) or not.

https://www.dropbox.com/s/xunoodlqvobj3j7/lr-open-gl-off.png?dl=0

https://www.dropbox.com/s/q0kw6q5h20pqvvl/lr-open-gl-on.png?dl=0

My icc profile

https://www.dropbox.com/s/uf3piy39y0dc08u/iMac%2312017-10-0220-22D65002.2F-SXYZ...

Note that with metal the difference in tones is very obvious. With open-gl the difference is much subtler but still exists.

Finally, in the absence of a fix, which version is displaying the correct colors in develop module? Should I rely on the GPU-off or GPU-on with open GL?
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Inspiring
Oct 28, 2017 7:26 PM UTC
I do have the same problem - updated to LR Classic CC yesterday. Previous Lightroom CC works just fine so I switched back to that.
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Known Participant
Oct 28, 2017 10:51 AM UTC
This solve only for Eizo monitors and Eizo calibration app
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Known Participant
Oct 27, 2017 7:00 AM UTC
also some says disable GPU acceleration will fix, but the speed will back to stone age, 
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Known Participant
Oct 27, 2017 6:59 AM UTC
Participating Frequently
Oct 24, 2017 2:18 AM UTC
I have this same issue in develop module with the gpu enables. I believe this might be related to the following bug (or caused by it): https://apple.stackexchange.com/questions/271825/bug-macos-sierra-preview-quick-look-issues-with-ren...

which occurs with certain ICC profiles generated by programs like DisplayCal.

In fact, if I switch back to the default ICC profile provided by apple, the GPU bug no longer occurs. It's only when I have the displaycal ICC profile enabled, GPU enabled and I am in develop module.

Profile causing problem: https://www.dropbox.com/s/r7b0l5ucr1fxp3e/iMac%2312017-10-0220-22D65002.2F-SXYZ...
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axmelissarios1
Legend
Oct 23, 2017 11:49 PM UTC
If you know what the subreddit is and not the link, that will still be helpful.

-Melissa
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Melissa Rios, Product Manager, Community Experiences & Platforms | Adobe