Natasha Denona Atmosphere (120M) is a warm copper with a frost finish that is permanent in palette and retails for $29.00. In comparison, Sleek MakeUP Sunset #3 is a warm copper with a frost finish that is permanent in palette and retails for $9.99.
Sleek MakeUP Sunset #3 is 95% similar — it is more shimmery, darker.