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.
彼は黒褐色のスーツを着ていた。
He was wearing a blackish brown suit.
この土は黒褐色で、とても肥沃
This soil is dark brown and very fertile.