ColourPop Thumper is a cool pink with a semi-matte finish that is permanent and retails for $8.00. 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.