Board Thread:Support Requests - Designing Your Wiki/@comment-28634502-20180121142631/@comment-25239866-20180121143329

Yes with ThemeDesigner or personal css. I can test your theme on Community Test Wiki (Color choices only) if you want. Wait.... On Mid-november 2017, they changed theresolds of black and white selection and that's why you led to black links. See this for further info about that change.