Mate: Display/Gamma?

[megavolt]

Hello @Edward78

There is no GUI, but you could set it like that:

How to adjust screen contrast in manjaro

Hello @Karlos After installing xorg-xgamma you could adjuste it with xgamma -gamma 0.3 or with xrandr: xrandr --output <screen> --gamma red[:green:blue] like this: xrandr --output HDMI-0 --gamma 0.8:0.8:0.8