diff --git a/stow/.config/matugen/config.toml b/stow/.config/matugen/config.toml
index bd41bc8..b125fed 100644
--- a/stow/.config/matugen/config.toml
+++ b/stow/.config/matugen/config.toml
@@ -7,3 +7,11 @@ set = true
 input_path = './templates/colors.css'
 output_path = '~/.config/waybar/colors.css'
 post_hook = 'pkill -SIGUSR2 waybar'
+
+[templates.gtk3]
+input_path = './templates/gtk-colors.css'
+output_path = '~/.config/gtk-3.0/gtk.css'
+
+[templates.gtk4]
+input_path = './templates/gtk-colors.css'
+output_path = '~/.config/gtk-4.0/gtk.css'
diff --git a/stow/.config/matugen/templates/gtk-colors.css b/stow/.config/matugen/templates/gtk-colors.css
new file mode 100644
index 0000000..a3676c4
--- /dev/null
+++ b/stow/.config/matugen/templates/gtk-colors.css
@@ -0,0 +1,22 @@
+/*
+* GTK Colors
+* Generated with Matugen
+*/
+
+@define-color accent_color {{colors.primary_fixed_dim.default.hex}};
+@define-color accent_fg_color {{colors.on_primary_fixed.default.hex}};
+@define-color accent_bg_color {{colors.primary_fixed_dim.default.hex}};
+@define-color window_bg_color {{colors.surface_dim.default.hex}};
+@define-color window_fg_color {{colors.on_surface.default.hex}};
+@define-color headerbar_bg_color {{colors.surface_dim.default.hex}};
+@define-color headerbar_fg_color {{colors.on_surface.default.hex}};
+@define-color popover_bg_color {{colors.surface_dim.default.hex}};
+@define-color popover_fg_color {{colors.on_surface.default.hex}};
+@define-color view_bg_color {{colors.surface.default.hex}};
+@define-color view_fg_color {{colors.on_surface.default.hex}};
+@define-color card_bg_color {{colors.surface.default.hex}};
+@define-color card_fg_color {{colors.on_surface.default.hex}};
+@define-color sidebar_bg_color @window_bg_color;
+@define-color sidebar_fg_color @window_fg_color;
+@define-color sidebar_border_color @window_bg_color;
+@define-color sidebar_backdrop_color @window_bg_color;