I think red would look the best. Personally I like to match stuff like that. Purple is pertty bright though.
1998 Ford Contour Sport Neons Throughout-17 Inch Rims on 215-40R17 Yokohamas-Wings West Touring Wing-Performance Muffler-12" Crossfire Subs-Crossfire Mids and Highs-800 Watt Crossfire Amp