水天一色

water and sky merge in one color (idiom)

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

day / sky / heaven

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

color / CL:種|种[zhong3] / look / appearance / sex

(coll.) color / used in 色子[shai3 zi5]