NARS L'Amour, Toujours L'Amour #7 is a cool taupe with a matte finish that is discontinued and retails for $25.00. In comparison, Make Up For Ever M549 Dark Taupe is a cool taupe with a matte finish that is permanent and retails for $17.00.
Make Up For Ever M549 Dark Taupe is 85% similar — it is darker.