what colour look best on braces?

i've had braces for around 5 months now. my first 2 tightenings we're 6 week apart,now there 4weeks,im gettin elastics next time and they put my final wire on the top with the little things poking. ive had: bright blue red turquoise pink and orange(colour i currently have) my next appoinment is on 17th december,whats a good colour to go,(girl) i have tramtracks btw,pictures please!