YSL Fuchsia Tourbillon (31) is a cool fuchsia with a glossy finish that is permanent and retails for $34.00. In comparison, Givenchy Croisiere Fuchsia (309) is a cool fuchsia with a luminous finish that is limited edition and retails for $36.00.
Givenchy Croisiere Fuchsia (309) is 85% similar — it is more muted, darker.