ColourPop Concrete is a warm copper with a metallic finish that is limited edition and retails for $4.50. In comparison, Natasha Denona Spontaneous (450M) is a warm orange with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Spontaneous (450M) is 85% similar — it is less shimmery, darker, warmer.
