Board Thread:Support Requests - Designing Your Wikia/@comment-26425232-20151104224209/@comment-31924693-20151110114303

You don't need to understand what the CSS does, to be able to change the colours to those you prefer. Say for example that you want bureaucrats to appear as magenta instead of your present (British racing) green; just edit your wikia.css and where it says "green", change that to "magenta".

The list of all named HTML colours may help.