Natasha Denona Cool Plum (70P) is a warm brown with a satin finish that is permanent in palette and retails for $29.00. In comparison, ColourPop Crenshaw is a warm brown with a matte finish that is limited edition and retails for $6.00.
ColourPop Crenshaw is 90% similar — it is less shimmery, more pigmented, warmer.