just caught part of the Rams-Seahawks game. Whoever came up with those Seahawks uniforms must have been tripping absolute balls at the time. Probably the ugliest uniforms in the league.
I want to say that the color scheme you are referring to is an alternate uniform chosen as sort of solidarity with the Seattle Sounders professional soccer team. I don' think it's their main uniform but I don't know how they decide when to wear them.
This isn't a prediction, so apologies for going off topic...but Cincinnati is my dad's team so I'll actually have to pay attention to the Super Bowl this year. Damn.