phpcs tweak

Author: robocoder

src/Colors.php

@@ -174,6 +174,6 @@ class Colors
         'white' => '255,255,255',
         'whitesmoke' => '245,245,245',
         'yellow' => '255,255,0',
-        'yellowgreen' => '154,205,50'
+        'yellowgreen' => '154,205,50',
     );
 }