MAC Bye Bye Bahamas is a warm taupe with a frost finish that is limited edition and retails for $17.00. In comparison, Natasha Denona Glam (333M) is a warm taupe with a sparkle finish that is permanent in palette and retails for $29.00.
Natasha Denona Glam (333M) is 95% similar — it is less shimmery, cooler.