The Krypton Factor were set. The contestants, from 1986 onwards, all had their own corresponding colour, either red, green, yellow or blue. They wore their own clothes, apart from the Physical Ability round where the contestants wore track suits which were, in early series, red, burgundy, orange, green, black, light blue and dark blue. From 1986 onwards, the tracksuits were red, green, yellow and blue, and varied in design over the series that followed. The track suits changed to black with a coloured stripe from 1990 to 1993. For their own clothes, the contestants either wore a shirt/blouse, tie or a neckscarf of
Black and Yellow the Pittsburgh Pirates. In the year after it was released, "Black and Yellow" spawned dozens of remixes, parodies and remakes, both in the US and internationally, many of them made in tribute to a local sports team. At Super Bowl XLV in 2011, which featured the Steelers competing against the Green Bay Packers, the Steelers used "Black and Yellow" as their fight song, while the Packers used a remix by Lil' Wayne called "Green and Yellow", marking the first time both teams at the Super Bowl had used the same song. On the issue dated October 2, 2010, "Black and