ColourPop Left on Thread is a cool green with a sparkle finish that is limited edition and retails for $6.00. In comparison, Natasha Denona Emerald Green (16M) is a warm green with a frost finish that is permanent in palette and retails for $29.00.
Natasha Denona Emerald Green (16M) is 80% similar — it is more shimmery, lighter, warmer.