Rusting

Rusting, or Sun Bleaching, is the natural breaking down of pigment through sun exposure. Because it is caused by the sun, it can be added to any cat but would most likely be experienced by cats who make their home out in the open! 

While any color may experience rusting in real life, we are limiting its expression to solid black-based cats only in-game.

Rusting can occur anywhere on the body, although it usually concentrates on the top of the cat, closer to the spine.

Rusting may not be drastically lighter than the color underneath.

Black and chocolate cats will often have brown rusting. 

Cinnamon, Grey, Lilac and Fawn cats may have beige or tan colored rusting.