Natasha Denona Calypso Blue (05M) is a warm duochrome with a sparkle finish that is permanent in palette and retails for $29.00. In comparison, ColourPop Intergalactic is a warm plum with a metallic finish that is limited edition and retails for $4.50.
ColourPop Intergalactic is 85% similar — it is less shimmery, lighter, cooler.