YSL Nude Avant-Garde (91) is a warm pink with a luminous finish that is limited edition and retails for $38.00. In comparison, Revlon Dewy Peach (019) is a warm coral with a luminous finish that is permanent and retails for $9.99.
Revlon Dewy Peach (019) is 85% similar — it is less shimmery, lighter, warmer.