MAC Rare Exotic is a cool fuchsia with a satin finish that is limited edition and retails for $19.00. In comparison, Givenchy Fuchsia Irresistible (205) is a cool fuchsia with a satin finish that is permanent and retails for $36.00.
Givenchy Fuchsia Irresistible (205) is 90% similar — it is lighter, warmer.