Natasha Denona Glam Green (18M) is a cool pewter with a metallic finish that is permanent in palette and retails for $29.00. In comparison, ColourPop Thingamabob is a cool silver with a metallic finish that is limited edition and retails for $4.50.
ColourPop Thingamabob is 80% similar — it is more shimmery, lighter, cooler.