Olivia Palermo Amethyst is a warm plum with a satin finish that is permanent in palette and. In comparison, Natasha Denona Smoky Plum (23P) is a warm plum with a pearl finish that is permanent in palette and retails for $29.00.
Natasha Denona Smoky Plum (23P) is 80% similar — it is more shimmery, lighter, cooler.