Tanya, I bet you would wear a white/gold watch a lot this summer. It seems to me I saw something by Michael Kors on sale at Nordies that fit that description?
I am so the opposite about mixing metals - I love to change things up. In fact, I warned my husband when we were married that I would probably re-set my wedding ring multiple times during our marriage and he shouldn't take it personally! Still, I'd likely keep my rings all white gold/platinum. While wearing earrings, watches or bracelets in gold feels fine to me, wearing rings in different metals would be where I personally drew the line.
Tanya, did you feel that a white denim jacket with gold hardware had a very distinct look to it? As opposed to having silver hardware? That was how I felt, but I decided I could make the jacket more casual with a graphic T.