Chanel Rouge Magnifique (827) is a warm orange with a natural finish that is limited edition and retails for $45.00. In comparison, YSL Ready to Seduce (102) is a warm copper with a luminous finish that is limited edition and retails for $38.00.
YSL Ready to Seduce (102) is 80% similar — it is less shimmery, darker, cooler, glossier.