add wallpaper that gets recolored

nixos/stylix/stylix.nix

@@ -2,6 +2,7 @@
   inputs,
   pkgs,
   lib,
+  config,
   ...
 }:
 let
@@ -26,6 +27,18 @@ let
     map (n: "${dir}/${n}/${platform}.nix") (
       builtins.filter (n: builtins.pathExists "${dir}/${n}/${platform}.nix") drop
     );
+  wallpaper = ./wallpaper.png;
+  baseNames = map (c: "base0${c}") (lib.stringToCharacters "0123456789ABCDEF");
+  palette = lib.concatMapStringsSep " " (n: config.lib.stylix.colors.withHashtag.${n}) baseNames;
+
+  recolored =
+    pkgs.runCommand "wallpaper-stylix.png"
+      {
+        nativeBuildInputs = [ pkgs.lutgen ];
+      }
+      ''
+        lutgen apply ${wallpaper} -o ~/.walls/stylix-bars.png -p ${palette}
+      '';
 in
 {
   disabledModules = disable "nixos";
@@ -49,9 +62,9 @@ in
   stylix = {
     enable = true;
     autoEnable = false;
-    base16Scheme = "${pkgs.base16-schemes}/share/themes/black-metal.yaml";
+    base16Scheme = "${pkgs.base16-schemes}/share/themes/tokyodark.yaml";
     polarity = "dark";
-    image = ./wallpaper.png;
+    image = recolored;
     targets = {
       console.enable = true;
       gtk.enable = true;