ColourPop Rascal is a warm gold with a metallic finish that is permanent and retails for $4.50. In comparison, Natasha Denona Imperia (265M) is a warm gold with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Imperia (265M) is 85% similar — it is more shimmery, darker, cooler.