nicer color temp

modules/niri/default.nix

@@ -31,6 +31,7 @@ in {
         brightnessctl
         swaybg
         swayidle
+        gammastep
       ];
 
       programs.niri = {

modules/niri/niri.conf.nix

@@ -79,13 +79,16 @@ in {
 
   hotkey-overlay.skip-at-startup = true;
 
-  environment."DISPLAY" = ":0";
+  environment = {
+    "DISPLAY" = ":0"; 
+  };
 
   spawn-at-startup = [
     { command = [ "waybar" ]; }
     { command = [ "brightnessctl" "s" "50%" ]; }
     { command = [ "swaybg" "-i" "${./wallpaper.png}" ]; }
     { command = [ "swayidle" "-w" "before-sleep" "swaylock" ]; }
+    { command = [ "gammastep" "-O" "5400" ]; }
   ];
 
   binds = {