Found out about redshift

install.conf.yaml

@@ -19,6 +19,7 @@
     ~/.vimrc: vim/vimrc
     ~/.xinitrc: xinitrc
     ~/.config/awesome: awesome
+    ~/.config/redshift.conf: redshift/redshift.conf
 
 #- shell:
 #  - git submodules update # after linking ~/.gitconfig

redshift/redshift.conf

@@ -0,0 +1,23 @@
+; Global settings
+[redshift]
+temp-day=6500K
+temp-night=5000
+transition=1
+;gamma=0.8:0.7:0.8
+gamma=1.000:1.000:1.000
+;location-provider=geoclue
+location-provider=manual
+adjustment-method=vidmode
+brightness=1.0:0.5
+
+; The location provider and adjustment method settings
+; are in their own sections.
+[manual]
+lat=52
+lon=5
+
+; In this example screen 1 is adjusted by vidmode. Note
+; that the numbering starts from 0, so this is actually
+; the second screen.
+;[vidmode]
+;screen=1