diff --git a/docs/index.html b/docs/index.html
index 8134a78..6d771f8 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8"/>
 <meta name="viewport" content="width=device-width, viewport-fit=cover">
 <meta name="description" content="itty bitty things can be conveyed in a link.">
+<meta id="themeColor" name="theme-color" content="#ebeff9">
 <link id="favicon" rel="icon" href='/favicon.svg'>
 <link rel="stylesheet" href="/index.css">
 <script src="/js/lzma/lzma-d-min.js"></script>
diff --git a/docs/index.js b/docs/index.js
index 8e4ca24..77ccb9d 100644
--- a/docs/index.js
+++ b/docs/index.js
@@ -25,6 +25,10 @@
     // </div>`
   }
 
+  function setThemeColor(color) {
+    document.getElementById("themeColor").content = color;
+  }
+
   function setFavicon(favicon) {
     document.getElementById("favicon").href = 'data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em"><text y=".9em">'+ favicon + '</text></svg>'
   }
@@ -48,6 +52,7 @@
     console.debug("Message:", e.origin, e.data)
       if (e.data.title) document.title = e.data.title;
       if (e.data.favicon) setFavicon(e.data.favicon);
+      if (e.data.themeColor) setThemeColor(e.data.themeColor);
       if (e.data.updateURL) {
         let path = ["/" + e.data.title.replace(/\s/g, "-")];
         if (e.data.description) path.push("d/" + encodeURIComponent(e.data.description));