Dominant Color principle
Lessons from Mandrill
Wear the signal.
Facial Status Display

Core lesson
A face can become a flag when the body has something to declare.
Biological basis
Mandrills show bright facial and rump coloration, especially in dominant males, and use visual signals, canine display, and social hierarchy in group life.
Best use cases
Where this lesson tends to be most useful in practice.
StatusVisual signalingLeadershipGroup dynamicsBold identity