Urban Decay Hawkeye is a cool green with a metallic finish that is discontinued and retails for $18.00. In comparison, Sephora Audacious Emerald (60) is a cool teal with a metallic finish that is permanent and retails for $14.00.
Sephora Audacious Emerald (60) is 80% similar — it is less shimmery, cooler, less glossy.