MAC Warp Speed Ahead is a warm plum with a sparkle finish that is limited edition and retails for $21.00. In comparison, Maybelline Amethyst Potion (045) is a cool berry with a pearl finish that is permanent and retails for $8.99.
Maybelline Amethyst Potion (045) is 85% similar — it is less shimmery, brighter.
