Make Up For Ever I550 Olive Gray is a warm taupe with a frost finish that is discontinued and retails for $21.00. 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 darker, warmer.