pepper-and-salt

US /ˌpep.ər.ənˈsɔːlt/
UK /ˌpep.ər.ənˈsɔːlt/
"pepper-and-salt" picture
1.

a fabric woven with dark and light threads to produce a mottled gray effect

:
He wore a suit made of pepper-and-salt tweed.
The old blanket had a classic pepper-and-salt pattern.
1.

having a mottled gray appearance, typically referring to hair that is streaked with gray or white

:
His hair was a distinguished pepper-and-salt.
The old man's beard was a mix of black and white, a true pepper-and-salt.