When Nick Rhodes opens the door to his suite at the Chateau Marmont in Los Angeles, my immediate observation is that we’re both wearing black and white. He’s in a well-worn black T-shirt from his bandmate John Taylor ’s collaboration with Punkmasters, JT x PM , and white jeans, while I’m in a blazer that would fit in with their early videos. I mention I was worried I’d overdone that palette, and he says, “Oh, you can never have too much monochrome.” I take his word for it. As the keyboard player for the evergreen Duran Duran, Nick has been a fashion icon for almost half a century. This shabby chic Chateau Marmont setting suits him. It’s his default spot when he’s in town.…