Natasha Denona True Copper (305M) is a warm copper with a metallic finish that is permanent in palette and retails for $29.00. In comparison, Sydney Grace Bronzed to Perfection is a warm copper with a metallic finish that is permanent and retails for $6.00.
Sydney Grace Bronzed to Perfection is 85% similar — it is less shimmery, lighter, warmer.
