Natasha Denona Palladium (316M) is a warm brown with a metallic finish that is permanent in palette and retails for $29.00. In comparison, ColourPop Tatooine Glimmer is a warm brown with a metallic finish that is limited edition and retails for $4.50.
ColourPop Tatooine Glimmer is 95% similar — it is less shimmery, darker, cooler.