Even amidst white trim, I'd probably do something like this lovely example of an hombre pattern in a popular fresh color that will wear scuffs with more character than blah-racter! From Freshome Decor, Ideas, Stairs Risers, Painting Stairs, Colors, Ombre Stairs, House, Staircas, Painted Stairs
This is looking like the mix of colours in my bedroom. Never thought I would like pink but mixed in with mint greens, blues and yellow... I'm loving it. Cheerful.