Natasha Denona Vintage (49M) (2019) is a warm taupe with a metallic finish that is permanent in palette and retails for $29.00. In comparison, Chanel Caroube (147) is a warm taupe with a pearl finish that is limited edition and retails for $34.00.
Chanel Caroube (147) is 85% similar — it is less shimmery, darker, warmer.