Urban Decay Backfire (Afterdark) is a warm plum with a frost finish that is permanent in palette and retails for $19.00. In comparison, Lisa Eldridge Faded Amethyst is a warm taupe with a metallic finish that is permanent and retails for $16.00.
Lisa Eldridge Faded Amethyst is 90% similar — it is less shimmery, darker, cooler.