Conversation so far:
what was Frank sinatra's style?
frank Sinatra was known for his immaculate sense of style
what did Frank sinatra like to wear?
custom-tailored tuxedos and stylish pin-striped suits, which made him feel wealthy and important

Question: what colors did he wear?
Self-contained rewrite: what colors did frank sinatra wear on his custom-tailored tuxedos and stylish pin-striped suits, which made him feel wealthy and important?