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