Purple

 is a Color in Brawlhalla.

It is unlocked by leveling-up a Legend to Level 10 for most Legends, other than the following:
 * Bödvar, Diana, Gnash, Isaiah, Jaeyun, Jhala, Koji, Lin Fei, Mako, Mordex, Queen Nai, Onyx, Orion, Teros, Wu Shang and Xull, who unlock it at Level 5