Natasha Denona Noble (264M) is a warm taupe with a metallic finish that is limited edition and retails for $29.00. In comparison, Natasha Denona Dark Sepia (47P) is a warm green with a satin finish that is permanent in palette and retails for $29.00.
Natasha Denona Dark Sepia (47P) is 80% similar — it is less shimmery, darker, warmer.