Silvery
WordNet
adjective
(1) Having the white lustrous sheen of silver
"A land of silver (or silvern) rivers where the salmon leap"
"Repeated scrubbings have given the wood a silvery sheen"
(2) Resembling or reminiscent of silver
"A soft silvern voice"
"Singing in her silvery tones"
(3) Of lustrous grey; covered with or tinged with the color of silver
"Silvery hair"