YSL Nude Antonym (17) is a warm mauve with a matte finish that is permanent and retails for $39.00. In comparison, Make Up For Ever C211 (Holiday 2017) is a cool mauve with a cream finish that is permanent in palette and retails for $22.00.
Make Up For Ever C211 (Holiday 2017) is 80% similar — it is darker, cooler, glossier.