Stella posted a new challenge:

All you need to do is put together japanese katakana from the scratches of each color and find the correct order of those.

Doing this results in:

ヨシッー

Again, the url checker for the solved url field doesn't let me enter this, so here it is:

stl.la/ヨシッー

Solution redirects to:

http://www.ancientsocieties.com/unicycle/