NARS Michiyo is a cool fuchsia with a semi-matte finish that is permanent and retails for $34.00. In comparison, YSL Fuchsia Tourbillon (31) is a cool fuchsia with a glossy finish that is permanent and retails for $34.00.
YSL Fuchsia Tourbillon (31) is 85% similar — it is warmer, glossier.