Against yellow gold, the same as for pink basically. I'm definitely a white metal guy.
I would say that my Yacht Master is a kind of "accident" in my collection. I simply couldn't resist its beauty. To be honest, I don't wear it very often due to the color. All my other watches (ROO being the only exception) are daily wearers.
Who knows, I wouldn't say that I won't add a yellow one to the collection one day. Actually, since last summer, I'm still tempted by this one: