Kevyn Aucoin Ibiza (Right) is a warm lavender with a frost finish that is permanent in palette and retails for $44.00. In comparison, Estee Lauder Audacious Plum is a cool lavender with a satin finish that is permanent and retails for $34.00.
Estee Lauder Audacious Plum is 80% similar — it is darker, more muted, warmer.