Yes.
The Steelers wore their white uniforms while the Cardinals wore red.
The Steelers wore their white uniforms. The Arizona Cardinals were designated the home team for Super Bowl XLIII. They chose to wear their red uniforms. That forced the Steelers to wear their white jerseys.
The Green Bay Packers are considered the home team for Super Bowl XLV. They will be wearing their green "home" uniforms, and the Pittsburgh Steelers will be wearing their "away" uniforms.
The Steelers wore their road white jerseys in Super Bowl IX.
Black.
steelers - black & gold cardinals - red & white
The Steelers were the road team in Super Bowl XLIII and wore their white jerseys.
Dwight White in Super Bowl IX and Reggie Harrisonin Super Bowl X.
The official colors for the Pittsburgh Steelers are: Black, Gold and White.
DL Dwight White of the Pittsburgh Steelers in Super Bowl IX against the Minnesota Vikings.
Although they were the designated home team for Super Bowl XL, the Steelers chose to wear white jerseys because they had worn them in their three previous road wins in the playoffs.
The NFC was the home conference in 2009. Arizona had the choice of what color to wear. Pittsburgh ended up wearing their white jerseys.