灰色英文怎么说棕色英文怎么说

灰色的英文是gray，棕色的英文是brown。
gray来自古英语"grǣg"，意思是灰色或深灰色。brown来自古英语"brún"，意思是棕色或褐色。
例句：

The sky was a dull gray. 天空是暗淡的灰色。
The leaves on the trees have turned brown. 树上的叶子已变成棕色。
She had gray hair. 她有灰色的头发。
The soil was a rich brown color. 土壤是一种黄棕色。