Originally Posted by Mansram01

My bike currently has a white stem, white handlebars and a black (nude carbon) seat post. It doesn't bother me because the whole bike is white & black (nude carbon) so it all matches. I'm more concerned about not mixing brand names but in some cases that goes out the window too. I have to go with what component works best for me and still looks good overall.

I don't think this answer is going to help you. You seem like you've pretty much defined yourself as being/having OCD.