One of the classiest ways to style out such a hard-working menswear item as an olive suit is to marry it with an olive wool waistcoat. Complete your ensemble with dark brown leather brogues to inject a sense of stylish casualness into this look.
Olive Wool Waistcoat with Olive Suit Outfits
This combination of an olive suit and an olive wool waistcoat is a fail-safe option when you need to look incredibly dapper.