YSL Rose Stiletto (9) is a warm mauve with a luminous finish that is permanent and retails for $38.00. In comparison, YSL Nude Antonym (17) is a warm mauve with a matte finish that is permanent and retails for $39.00.
YSL Nude Antonym (17) is 80% similar — it is less shimmery, lighter, cooler, less glossy.