Found 2 items, similar to slate-gray.
English → English (WordNet) Definition: slate-gray slate-gray adj : of the color of slate or granite; “the slaty sky of dawn” [syn: slaty, slatey, stone-gray]
English → English (gcide) Definition: Slate-gray Slate-gray \Slate"-gray`\, a. Of a dark gray, like slate. [1913 Webster]