diff --git a/_app/_data/curtana.yml b/_app/_data/curtana.yml
index 3f321903b..d1ed5f121 100644
--- a/_app/_data/curtana.yml
+++ b/_app/_data/curtana.yml
@@ -22,3 +22,7 @@ colorful_list:  false
 # Show email subscription link in footer
 # Default:      false
 subscription:   false
+
+# Primary color (Safari mask-icon)
+# Default       #ff00b4
+primary_color:  '#ff00b4'
diff --git a/_app/_includes/themes/curtana/includes/top.html b/_app/_includes/themes/curtana/includes/top.html
index e300e050b..d292d73a9 100644
--- a/_app/_includes/themes/curtana/includes/top.html
+++ b/_app/_includes/themes/curtana/includes/top.html
@@ -21,7 +21,7 @@
 {% endif %}
 
 <!-- Pinned icon for Safari -->
-<link rel="mask-icon" href="{{ '/favicon.svg' | prepend: site.base }}" color="#ff00b4">
+<link rel="mask-icon" href="{{ '/favicon.svg' | prepend: site.base }}" color="{{ site.primary_color }}">
 
 <!-- Main CSS -->
 <link rel="stylesheet" href="{{ '/css/app.css?assets-inline' | prepend: amsf_theme_assets }}">