Correct

一色

/ yī sè / 
Strokes

Definition

isshiki

Example

As an Adjective

of the same colour

1
Shuǐtiānyīsè
水天一色
  
。

The water and the sky are of one hue.

As an Adjective

of the same type; uniform

2
Yī
一
sè
色
de
的
liù
六
céng
层
lóufáng
楼房

six-story buildings of a uniform style