ColourPop So Fresh is a warm yellow with a sparkle finish that is limited edition and retails for $6.00. In comparison, Natasha Denona Limoncello (169M) is a warm yellow with a metallic finish that is limited edition and retails for $29.00.
Natasha Denona Limoncello (169M) is 80% similar — it is less shimmery, darker, warmer.