YSL Red in the Dark (76) is a warm plum with a luminous finish that is limited edition and retails for $38.00. In comparison, Chanel Brun Orgueilleux (828) is a warm plum with a cream finish that is permanent and retails for $55.00.
Chanel Brun Orgueilleux (828) is 85% similar — it is less shimmery, darker, cooler.