If you can match your shoes to your bag, why not your lipstick to your jacket? Just keep the overall look sharp via a structured silhouetteand make sure not to color outside the lines.
On Lips: Napoleon Perdis Dévine Goddess Lipstick in Eros.
On Skin: Almay Smart Shade Mousse Makeup in Light Medium.
Coat, $1,610, Shirt, $1,465, Sonia Rykiel; soniarykiel.com for stores.