Previously I had tried to install redshift to provide a reddish colour to the screen during the night, but when I tried to uninstall it using purge, it was not removed and so my screen is still red. Is there any way to remove the reddish colour of screen?

1 Answer 1


Even though you've removed Redshift, it seems it has "permanently" altered your display settings. Try running:

xrandr --output eDP-1 --gamma 0.9:0.9:0.9

eDP-1 is the name of my monitor, yours may vary

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