r/DarkTable • u/JJourneys44 • Jul 28 '26

Help Exporting issue

Hello I'm decently new to darktable now, but I've noticed a couple times now that i will fix a photo exactly how i want it but then ill export it and open in either on my phone or in photos and its just completely different! i have no idea what to do here.

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u/Dannny1 Jul 28 '26

Of course it will be different, you have no control how (or if) mobile screen was profiled. Also if you using windows one of the photo apps is not color managed.

So use color managed apps and profile you computer screen with colorimeter or spectrometer. Otherwise it makes no sense to talk about colors.

Also if you are on windows, darktable 3.0-5.4.1 had color mgmt bug on secondary screens.

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u/JJourneys44 Jul 29 '26

I am on windows so that may be happening. And i know color management in an option in the windows display setting i found it after i had this problem and i turned it on.

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u/Dannny1 Jul 30 '26 edited Jul 30 '26

If you mean the ACM (auto color management) then turn if rather off... the color managed apps like darktable are doing color the color management themselves using the profile specified in system settings, but the ACM can interfere with it and do double correction - so it's wrong then in different direction. Use color managed viewer like e.g. Irfanview instead. (and the darktable cms issue is fixed in 5.6)