Sephora Oui (03) is a warm pink with a cream finish that is permanent and retails for $8.00. In comparison, Make Up For Ever Sassy Rhubarb (164) is a neutral mauve with a satin finish that is permanent and retails for $23.00.
Make Up For Ever Sassy Rhubarb (164) is 85% similar — it is more shimmery, cooler.