YSL Ambiguous Chestnut (216) is a warm brown with a natural finish that is permanent and retails for $39.00. In comparison, Anastasia #6 (Vol. 1) is a warm brown with a satin finish that is permanent in palette and.
Anastasia #6 (Vol. 1) is 90% similar — it is less shimmery, lighter, warmer, less glossy.