1. 濃茶色：ultramarine 深蓝色,群青 | umber 浓茶色 | verdigris color 铜绿色

2. 棕土：紫外光吸收剂 ultraviolet-radiation absorbers | 棕土 umber | 未完成水份变化 unaccomplished moisture change

3. 赭色：ultrawide angle photographic lens system 特广角照相透镜系统 | umber 赭色 | umbra (复数:umbre)本影

4. 焦茶色：umbelliferous 有伞状花的 | umber 焦茶色 | umbilic 脐带的

1. 红棕色；赭色
Umber is used to describe things that are yellowish or reddish brown in colour.

e.g. ...umber paint.
赭色油漆

noun

1. a medium brown to dark-brown color

Synonym: chocolatecoffeedeep brownburnt umber

2. an earth pigment