Blackbird Cosmetics Imogen is a neutral mauve with a matte finish that is discontinued and retails for $8.00. In comparison, ColourPop Kinda Tart is a cool mauve with a semi-matte finish that is permanent in palette and retails for $4.50.
ColourPop Kinda Tart is 80% similar — it is more shimmery, darker, cooler.