stylix/modules/kmscon/nixos.nix

{ config, lib, ... }:
{
  options.stylix.targets.kmscon.enable =
    config.lib.stylix.mkEnableTarget "the kmscon virtual console" true;

  config.services.kmscon = lib.mkIf config.stylix.targets.kmscon.enable {
    fonts = [config.stylix.fonts.monospace];
    extraConfig =
    let
      formatBase = name:
        let
          getComponent = comp: config.lib.stylix.colors."${name}-rgb-${comp}";
        in
        "${getComponent "r"},${getComponent "g"},${getComponent "b"}";
    in ''
      font-size=${builtins.toString config.stylix.fonts.sizes.terminal}

      palette=custom

      palette-black=${formatBase "base00"}
      palette-red=${formatBase "base08"}
      palette-green=${formatBase "base0B"}
      palette-yellow=${formatBase "base0A"}
      palette-blue=${formatBase "base0D"}
      palette-magenta=${formatBase "base0E"}
      palette-cyan=${formatBase "base0C"}
      palette-light-grey=${formatBase "base05"}
      palette-dark-grey=${formatBase "base03"}
      palette-light-red=${formatBase "base08"}
      palette-light-green=${formatBase "base0B"}
      palette-light-yellow=${formatBase "base0A"}
      palette-light-blue=${formatBase "base0D"}
      palette-light-magenta=${formatBase "base0E"}
      palette-light-cyan=${formatBase "base0C"}
      palette-white=${formatBase "base07"}

      palette-background=${formatBase "base00"}
      palette-foreground=${formatBase "base05"}
    '';
  };
}