Using a dual monitor setup on Ubuntu 18.04, how can I invert colors on just one screen? I have been using xrandr-invert-colors and when I run it all monitors get their colors inverted.

My xorg.conf:

Section "ServerFlags" Option "DontVTSwitch" "on" EndSection

Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5 6 7" EndSection

Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "sna" EndSection

Edit: xcalib -i -a also inverts the colors on both monitors.

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