MAC A Killing Smile is a neutral fuchsia with a satin finish that is limited edition and retails for $19.00. In comparison, YSL Contrary Fuchsia (08) is a cool fuchsia with a matte finish that is permanent and retails for $39.00.
YSL Contrary Fuchsia (08) is 90% similar — it is less shimmery, darker, cooler, less glossy.