diff --git a/htdocs/features.js b/htdocs/features.js
index 0add3b43..b2dbf373 100644
--- a/htdocs/features.js
+++ b/htdocs/features.js
@@ -1,5 +1,12 @@
 $(function(){
     var converter = new showdown.Converter({openLinksInNewWindow: true});
+
+    function yes_no(v) {
+        return v?
+            '<td style="color:green;">YES</td>' :
+            '<td style="color:red;">NO</td>';
+    }
+
     $.ajax('api/features').done(function(data){
         var $table = $('table.features');
         $.each(data, function(name, details) {
@@ -8,13 +15,13 @@ $(function(){
                            '<td></td>' +
                            '<td>' + name + '</td>' +
                            '<td>' + converter.makeHtml(r.description) + '</td>' +
-                           '<td>' + (r.available ? 'YES' : 'NO') + '</td>' +
+                           yes_no(r.available) +
                        '</tr>';
             });
             $table.append(
                 '<tr>' +
                     '<td colspan=3>' + name + '</td>' +
-                    '<td>' + (details.available ? 'YES' : 'NO') + '</td>' +
+                    yes_no(details.available) +
                 '</tr>' +
                 requirements.join("")
             );