YSL Carmine Retro (129) is a warm plum with a luminous finish that is permanent and retails for $38.00. In comparison, Chanel Rouge Splendide (817) is a warm coral with a natural finish that is limited edition and retails for $45.00.
Chanel Rouge Splendide (817) is 80% similar — it is more shimmery, lighter, cooler.