theme color param for meta tag

exampleSite/config/_default/params.toml

@@ -4,6 +4,8 @@ description = "The Zzo theme for Hugo example site."
 custom_css = []
 custom_js = []
 useFaviconGenerator = true # https://www.favicon-generator.org/
+meta_image = ""
+themecolor = ""
 
 themeOptions = ["dark", "light", "hacker", "solarized", "kimbie"]
 notAllowedTypesInHome = ["contact", "talks", "about", "showcase", "publication", "presentation", "resume"]

layouts/partials/head/meta.html

@@ -28,7 +28,12 @@
 {{ end }}
 {{ hugo.Generator }}
 <meta name="msapplication-TileColor" content="{{ $.Param "themecolor" | default "#ffffff" }}">
+<!-- Chrome, Firefox OS and Opera -->
 <meta name="theme-color" content="{{ $.Param "themecolor" | default "#ffffff" }}">
+<!-- Windows Phone -->
+<meta name="msapplication-navbutton-color" content="{{ $.Param "themecolor" | default "#ffffff" }}">
+<!-- iOS Safari -->
+<meta name="apple-mobile-web-app-status-bar-style" content="{{ $.Param "themecolor" | default "#ffffff" }}">
 <link rel="canonical" href="{{ .Permalink | absLangURL }}">
 <link rel="manifest" href="{{ "manifest.json" | relURL }}">
 {{ if $.Site.Params.useFaviconGenerator }}