Rainbow's Hyunyoung changed up her hair color, and she wants to know what fans think.

Hyunyoung tweeted, "Heng ~.~ Do I look prettier with dark hair or light hair? Don't say both look pretty~ ^^///;;."

The Rainbow member seems to have switched up her look for their latest single "Sunshine". 

Check out her former look below, and let her know which one you think looks best!