柴色 (chái sè) 是指棕色或棕黑色。它的英文同义词是 "brown"。这个词来源于汉语中的 "柴"，是指柴火，因为柴火常常会烧成棕色或棕黑色。

下面是一些例句：

The leaves on the tree turned brown in the fall. (秋天树叶变成了柴色。)
She has brown eyes. (她有柴色的眼睛。)
The cat's fur is brown. (这只猫的毛是柴色的。)
The dirt on his shoes was brown. (他鞋子上的污垢是柴色的。)
The brown dress looked beautiful on her. (这件柴色的裙子在她身上看起来很漂亮。)