NARS Silk Road I is a warm peach with a metallic finish that is permanent in palette and retails for $19.00. In comparison, ColourPop Beak-a-Boo is a warm beige with a pearl finish that is limited edition and retails for $4.50.
ColourPop Beak-a-Boo is 85% similar — it is less shimmery, lighter.
