matchy-matchy
adj.β Β«Remember that if youβre ever tempted to get a little matchy-matchyβexcept when youβre wearing emeralds, rubies or sapphires surrounded by diamonds with a matching gown.Β» ββDesigner builds lustrous career” by Patricia Shelton Chicago Sun-Times (Illinois) Sept. 22, 1985. (source: Double-Tongued Dictionary)