黒こっ褐かっ色しょく

noun, noun which may take the genitive case particle 'no'

blackish brown; dark brown

Describes a very dark brown color, close to black. Used as a noun or with の to modify another noun.

• 彼かれは黒こっ褐かっ色しょくのスーツを着きていた。

  He was wearing a blackish brown suit.

• この土つちは黒こっ褐かっ色しょくで、とても肥ひ沃よくだ。

  This soil is dark brown and very fertile.