noun which may take the genitive case particle 'no'
earth color; earthen; ashen; deathly pale
Describes a dull, brownish-gray color like soil, often used for an unhealthy pale complexion. The glosses 'ashen' and 'deathly pale' are common when referring to a person's face.
彼は病気で顔が土気色だった。
His face was ashen from illness.
壁は土気色に塗られていた。
The wall was painted an earthen color.