Sephora Espresso (377) is a warm brown with a pearl finish that is permanent and retails for $9.00. In comparison, Natasha Denona Rosewood (51M) is a warm brown with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Rosewood (51M) is 95% similar — it is more shimmery, lighter, warmer.