Adjectives

(s)silvern, silveryresembling or reminiscent of silver“a soft silvern voice”, “singing in her silvery tones”
(s)silver, silvern, silveryhaving 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”
(s)argent, silver, silvery, silverishof lustrous grey; covered with or tinged with the color of silver“silvery hair”