ColourPop Sunkiss'd is a warm orange with a semi-matte finish that is permanent in palette and retails for $4.50. In comparison, Sleek MakeUP Acid #4 is a warm orange with a matte finish that is permanent in palette and retails for $9.99.
Sleek MakeUP Acid #4 is 90% similar — it is less shimmery, brighter.