ColourPop Nimbus is a cool burgundy with a metallic finish that is limited edition and retails for $6.00. In comparison, Sephora Voluptuous Burgundy (58) is a warm burgundy with a metallic finish that is permanent and retails for $14.00.
Sephora Voluptuous Burgundy (58) is 80% similar — it is less shimmery, warmer.