MAC Omigaud is a warm brown with a frost finish that is limited edition and retails for $17.00. In comparison, CoverGirl Melted Caramel Flame (350) is a warm brown with a frost finish that is permanent and retails for $7.99.
CoverGirl Melted Caramel Flame (350) is 85% similar — it is less shimmery, darker, cooler.