The cheeks of a creature have a circular or oblong shape and can be any valid colour across the available species of Xunari. Think Pikachu or Yellow Corella Parrots. It can also be Faded. It grows from either the cheek or between the eyes outward.
Corella (Co co) is present only on the face region and you may have up to 2 colours present.
Dominant corella (Co Co) may extend down the neck and you may have up to 4 colours present.