diff --git a/_layouts/default.html b/_layouts/default.html
index ebc510e..74c758b 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -2,6 +2,7 @@
 <html>
 <head>
     <meta charset='utf-8' />
+    <meta name="theme-color" content="#678b22" />
     <meta http-equiv="X-UA-Compatible" content="chrome=1" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 
diff --git a/_layouts/default_nobreaktables.html b/_layouts/default_nobreaktables.html
index 20adc50..fcb1578 100644
--- a/_layouts/default_nobreaktables.html
+++ b/_layouts/default_nobreaktables.html
@@ -2,6 +2,7 @@
 <html>
 <head>
     <meta charset='utf-8' />
+    <meta name="theme-color" content="#678b22" />
     <meta http-equiv="X-UA-Compatible" content="chrome=1" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 
