MAC Metrochrome is a warm brown with a metallic finish that is limited edition and retails for $21.00. 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 80% similar — it is darker.