Github page color creates vertical lines, screen flickers upon leaving

This only seems to happen on github for some reason, so far. But even if I take a screenshot and view the page, it does the exact same thing. So I assume it has to do with the color, which seems indicative of some kind of problem.

Issue: When I go to github in particular, after about half a second suddenly these vertical lines appear over the entire screen, top to bottom, including the browser and Gnome top bar. After doing this, if I leave the page and view something else – whether another web page or some other application – the screen will flicker for a several seconds before returning to normal.

Outside of this situation, I basically never have any other problems with this or monitor sync or any of that.

I took a photo with my camera that I was prepared to share, but the forums aren’t allowing me to post any links or images. So I hope this information is enough to get across what’s happening. On my 4k screen, each line is a few pixels thick. Again, this happens even if I just view a screenshot of the page, so it doesn’t seem to have to do with the web page itself.

This has also been the case since I clean-installed Manjaro recently, and has persisted after driver and kernel updates.

DE: Gnome
CPU: i5 7600K
GPU: Nvidia GTX 1080, Driver: 495.44
Kernel: 5.15.2-2

Theres something weird about Gnome settings and color profiles.
(sorry - I dont use gnome so I cant be much more descriptive)
Please double check or reset that.

I went to Color in the Settings application and used the “Add profile” button to try different profiles. Some don’t look right, but “Standard Space - SRGB” seems to look good and also appears to solve the issue. So I guess it was a problem with my monitor’s default color profile.

I guess that’s problem solved. Thanks for pointing me in the right direction

Ah. Well. I dont have much idea about the core issue … but glad its sorted for you.

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