grayish black
/ˈɡreɪɪʃ blæk/
adjective
- Having a color that is mostly black with a hint of gray; dark gray.
- The storm clouds were a threatening grayish-black as they rolled in.
- He wore a grayish-black suit that looked almost charcoal in the dim light.
- The cat's fur was a sleek grayish-black, making it hard to see at night.