Progress bar, done with 16 colors
<a href="//commons.wikimedia.org/wiki/User:Koba-chan" title="User:Koba-chan">Koba-chan</a>
CC BY 2.5
image made by <a href="//commons.wikimedia.org/wiki/User:Koba-chan" title="User:Koba-chan">Koba-chan</a>