YSL Beige Instinct (304) is a warm coral with a satin finish that is permanent and retails for $45.00. In comparison, Chanel Imperturbable (65) is a warm coral with a luminous finish that is permanent and retails for $45.00.
Chanel Imperturbable (65) is 80% similar — it is more shimmery, lighter, warmer, glossier.