The phrase "excellent foil" is used to describe someone or something that contrasts or complements another person or thing very well. It means that they enhance or highlight each other's qualities or flaws. Full definition
David Fincher) Received coolly by the critics at large, a perceived disappointment to fans of director David Fincher, Panic Room is the best «Three Stooges» skit ever made, with Jodie Foster a surprisingly excellent foil in the John McClane mold for a trio of pathetic burglars. (filmfreakcentral.net)
The matcha is an excellent foil for the sweetness of the bake and the bits of white chocolate get nicely caramelised. (tinandthyme.uk)
The 27 - year - old is a lethal presence in the box and is a mobile presence who could prove to be an excellent foil for Adebayor. (caughtoffside.com)