ColourPop Muze is a warm copper with a metallic finish that is limited edition and retails for $4.50. In comparison, Natasha Denona Crest (267M) is a warm copper with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Crest (267M) is 80% similar — it is less shimmery, darker, cooler.