ColourPop Blanc is a warm copper with a metallic finish that is limited edition and retails for $4.50. In comparison, Natasha Denona Rhea (118M) (2020) is a warm copper with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Rhea (118M) (2020) is 80% similar — it is more shimmery, darker.