Natasha Denona Rhea (118M) (2020) is a warm copper with a metallic finish that is permanent in palette and retails for $29.00. In comparison, Chanel Cuivre Rose (927) is a warm copper with a metallic finish that is limited edition and retails for $30.00.
Chanel Cuivre Rose (927) is 80% similar — it is less shimmery, darker, cooler.