1ACV07: My Three Suns
At the beginning of the episode, Leela was wearing a lime green tank top. Let's quote Bender: "Honey, I wouldn't be talking about taste if I was wearing a lime green tank top!" BAM!
Picture taken from Futurama Scan Art Central. By Paul A. Metcalfe.
She also wore a blue headband, while she was perfecting her martial arts skills on Fry's picture.