I'd like to change some money canada med store The complaint draws connections between the launch of Aio, which relies on off-contract plans, and T-Mobile's own switch to off-contract plans, which occurred just months before. "AT&T set up Aio to compete directly with T-Mobile," the complaint reads. It argues that Aio's use of the color magenta "is likely to dilute T-Mobile’s famous magenta color trademark, and to create initial interest confusion." T-Mobile has been using magenta since 2002, but its parent company, Deutsche Telekom, has been using it as far back as the 1990s.