YSL Nude Avant-Garde (91) is a warm pink with a luminous finish that is limited edition and retails for $38.00. In comparison, Chanel Esquisse (227) is a warm coral with a luminous finish that is limited edition and retails for $37.00.
Chanel Esquisse (227) is 85% similar — it is less shimmery, lighter, warmer, less glossy.