MAC Caramel Sugar is a warm brown with a metallic finish that is limited edition and retails for $17.50. In comparison, MAC Viva Glam Taraji P. Henson 2 is a warm brown with a metallic finish that is limited edition and retails for $19.00.
MAC Viva Glam Taraji P. Henson 2 is 85% similar — it is darker, cooler, less glossy.