Fenty Beauty Flaunty Auntie is a cool brown with a satin finish that is permanent and retails for $20.00. In comparison, YSL Ambiguous Chestnut (216) is a warm brown with a natural finish that is permanent and retails for $39.00.
YSL Ambiguous Chestnut (216) is 85% similar — it is more shimmery, warmer.