Guerlain Kiss To Say (521) is a warm plum with a luminous finish that is permanent and retails for $39.00. In comparison, Givenchy Pourpre Edgy (326) is a cool red with a luminous finish that is permanent and retails for $36.00.
Givenchy Pourpre Edgy (326) is 85% similar — it is darker, more pigmented, cooler.