Rabro, Uncoloured and Coloured
Coloured (or Colored) is a state where a humans inner Power Level transcends normal capacity. The human usually has their appearance change to a color that represents their personality.
Breaking the usual Power Level limits is generally only possible through an extreme state of emotion, usually great rage or sadness.
The actual limits of the Power Level aren't canonly noted, but it is assumed to become Coloured your Power Level must go Over 9000.