Chanel Rouge Splendide (817) is a warm coral with a natural finish that is limited edition and retails for $45.00. In comparison, Sephora Slay (18) is a warm coral with a cream finish that is permanent and retails for $13.00.
Sephora Slay (18) is 85% similar — it is less shimmery, lighter, more muted, cooler.
