Definitions of silvery:

• adjective:   resembling or reminiscent of silver

  Example: "Singing in her silvery tones"

• adjective:   having the white lustrous sheen of silver

  Example: "Repeated scrubbings have given the wood a silvery sheen"

• adjective:   lustrous gray; covered with or tinged with the color of silver

  Example: "Silvery hair"