ColourPop Plain Jane is a warm taupe with a metallic finish that is limited edition and retails for $7.00. In comparison, Maybelline Sleek & Spice (95) is a warm taupe with a metallic finish that is limited edition and retails for $6.99.
Maybelline Sleek & Spice (95) is 85% similar — it is more shimmery, lighter, warmer.