Château
A château is a manor house, or palace, or residence of the lord of the manor, or a fine country house of nobility or gentry, with or without fortifications, originally, and still most frequently, in French-speaking regions.
Read on WikipediaWeathered stone of a French country house, mossy and worn smooth.
Chateau is a warm grey, close to brown.
It can be described as warm, muted, greyish and dusty.
Set in black, because black reads best on it.
A château is a manor house, or palace, or residence of the lord of the manor, or a fine country house of nobility or gentry, with or without fortifications, originally, and still most frequently, in French-speaking regions.
Read on WikipediaProper noun