diff --git a/assets/css/app.css b/assets/css/app.css
index caf81fd..128449d 100644
--- a/assets/css/app.css
+++ b/assets/css/app.css
@@ -41,6 +41,24 @@
     --color-text-muted: 76 87 111;
     --color-text-dim: 57 65 83;
   }
+
+  :root[data-theme=gruvbox] {
+    --color-primary: 175 58 3;
+    --color-background: 251 241 199;
+    --color-text-base :40 40 40;
+    --color-text-heading: 66 123 88;
+    --color-text-muted: 60 56 54;
+    --color-text-dim: 102 92 84;
+  }
+
+  :root[data-theme=gruvbox][data-mode=dark] {
+    --color-primary: 214 93 14;
+    --color-background: 40 40 40;
+    --color-text-base: 251 241 199;
+    --color-text-heading: 104 157 106;
+    --color-text-muted: 235 219 178;
+    --color-text-dim: 189 174 147;
+  }
 }
 
 /* 
diff --git a/lib/chiya/site/setting.ex b/lib/chiya/site/setting.ex
index d6b5bd3..f90a108 100644
--- a/lib/chiya/site/setting.ex
+++ b/lib/chiya/site/setting.ex
@@ -9,7 +9,7 @@ defmodule Chiya.Site.Setting do
     field :custom_css, :string, default: ""
     field :custom_html, :string, default: ""
 
-    field :theme, Ecto.Enum, values: [:default, :frame], default: :default
+    field :theme, Ecto.Enum, values: [:default, :frame, :gruvbox], default: :default
 
     field :user_agent, :string, default: "Chiya/0.x +https://inhji.de"