And if you DON'T want to look an ashy confused mess you should either try ColorStay in Caramel and Cappuccino (mixed), or you should try Revlon PhotoReady in Cappuccino which is the closest Revlon match to NW45.
*not my picture, but she is a poster here*
(l to r Sff in NW 45, Photoready in cappuccino, colorstay in cappuccino)