tldr/pages/common/gammastep.md

Gammastep

Adjust the screen's color temperature according to the time of day. More information: https://gitlab.com/chinstrap/gammastep.

• Turn on Gammastep with a specific [t]emperature during the day (e.g. 5700k) and at night (e.g. 3600k):

gammastep -t {{5700}}:{{3600}}

• Turn on Gammastep with a manually specified custom [l]ocation:

gammastep -l {{latitude}}:{{longitude}}

• Turn on Gammastep with a specific screen [b]rightness during the day (e.g. 70%) and at night (e.g. 40%), with minimum brightness 10% and maximum brightness 100%:

gammastep -b {{0.7}}:{{0.4}}

• Turn on Gammastep with custom [g]amma levels (between 0 and 1):

gammastep -g {{red}}:{{green}}:{{blue}}

• Turn on Gammastep with a c[O]nstant unchanging color temperature:

gammastep -O {{temperature}}

• Reset temperature adjustments applied by Gammastep:

gammastep -x