like the contrast between the treads and spindles/handrail. Would consider the newels in the tread colour with a cap and accent in the black.
Another good example of the caps on the accents on the newels matching the railing.
Simple newel post
A simple newel with the accents to match rails
Imagine this with the handrail matching the spindles
Nice newel posts
contrast between newels and handrail on stairs
newels matching treads with accent to tie in with rails and spindles
glass between newels
interesting attachment of handrail