perfect match; match made in heaven; great coupling
Idiomatic expression likening a harmonious pairing to the classic Japanese motif of deer with autumn maple leaves. Often used for well-matched couples or things that complement each other beautifully.
Those two are truly a match made in heaven.
This wine and cheese pairing is a perfect match.
From the classical Japanese aesthetic motif of deer (鹿) set against autumn maple leaves (紅葉), considered an especially beautiful and harmonious combination.