diff --git a/settings/stylix.nix b/settings/stylix.nix
index 7a0c34e..fb28ae9 100644
--- a/settings/stylix.nix
+++ b/settings/stylix.nix
@@ -34,7 +34,51 @@
       };
     };
 
-    home-manager.users.fred = { config, lib, pkgs, ... }: {
+    home-manager.users.fred = { config, lib, pkgs, ... }: let
+      c = config.lib.stylix.colors;
+      # Map matugen's Material You placeholders to the closest base16 slot
+      # in stylix's palette. The mapping is approximate (Material You has
+      # more semantic colours than base16), but covers the placeholders
+      # used in our Zen userChrome and Vesktop quickCss templates.
+      stylixize = builtins.replaceStrings
+        [
+          "{{colors.primary.default.hex}}"
+          "{{colors.primary_container.default.hex}}"
+          "{{colors.secondary_container.default.hex}}"
+          "{{colors.tertiary_container.default.hex}}"
+          "{{colors.surface.default.hex}}"
+          "{{colors.surface_container.default.hex}}"
+          "{{colors.surface_container_low.default.hex}}"
+          "{{colors.surface_container_high.default.hex}}"
+          "{{colors.on_surface.default.hex}}"
+          "{{colors.on_surface_variant.default.hex}}"
+          "{{colors.outline.default.hex}}"
+          "{{colors.outline_variant.default.hex}}"
+        ]
+        [
+          "#${c.base0D}" # primary accent
+          "#${c.base02}" # primary container
+          "#${c.base0C}" # secondary container (cyan)
+          "#${c.base0E}" # tertiary container (purple)
+          "#${c.base00}" # surface (main bg)
+          "#${c.base01}" # surface container
+          "#${c.base00}" # surface container low
+          "#${c.base02}" # surface container high
+          "#${c.base05}" # on surface (fg)
+          "#${c.base04}" # on surface variant (muted fg)
+          "#${c.base03}" # outline
+          "#${c.base02}" # outline variant
+        ];
+    in {
+      # Zen and Vesktop have no native stylix targets, so we keep the
+      # existing matugen CSS templates and substitute placeholders with
+      # stylix base16 colours at Nix-eval time.
+      home.file.".zen/fraudek5.Default Profile/chrome/userChrome.css".text =
+        stylixize (builtins.readFile "${inputs.self}/templates/zen-userChrome.css");
+
+      home.file.".config/vesktop/settings/quickCss.css".text =
+        stylixize (builtins.readFile "${inputs.self}/templates/vesktop-quickCss.css");
+
       # Folder icon recolor — was a matugen post-hook, now driven by
       # stylix's base16 palette. base0D is the conventional blue/accent
       # slot, which is what we want for Adwaita-style folder icons.