diff --git a/public/game.html b/public/game.html
index 4ca7863..92e3c19 100644
--- a/public/game.html
+++ b/public/game.html
@@ -7,7 +7,16 @@
     <link rel="preload" href="computer.wasm" as="fetch" crossorigin />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Maze</title>
-    <meta name="theme-color" content="var(--subtle-highlight-color)" />
+    <meta
+      name="theme-color"
+      content="color(srgb 0.7 1 0.7)"
+      media="(prefers-color-scheme: light)"
+    />
+    <meta
+      name="theme-color"
+      content="color(srgb 0 0.3 0)"
+      media="(prefers-color-scheme: dark)"
+    />
   </head>
 
   <body>
