When we say 'Wimbledon fashion', what's the first thing that comes to mind? Fred Perry shirts? The Princess of Wales' favourite polka dots ? Or classic Wimbledon whites? Contrary to popular opinion, wearing white to Wimbledon is not a rule set in stone. In fact, according to etiquette expert William Hanson , you can get away with wearing any colour, as long as you're fairly smart (and don't wear a giant hat that blocks everyone's view).