JD Glow Fairy Acid is a cool pewter with a sparkle finish that is permanent and retails for $7.50. In comparison, Natasha Denona Glam Green (18M) is a cool pewter with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Glam Green (18M) is 85% similar — it is less shimmery, darker, cooler.