Sleek MakeUP Simbad's Seas is a cool purple with a frost finish that is limited edition and retails for $9.99. In comparison, Natasha Denona Blue Dahlia (181DC) is a cool purple with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Blue Dahlia (181DC) is 95% similar — it is warmer.