ColourPop Beach Season is a cool aqua with a pearl finish that is limited edition and retails for $4.50. In comparison, Natasha Denona Mint Frost (170SM) is a warm aqua with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Mint Frost (170SM) is 85% similar — it is more shimmery, lighter, warmer.