Question

Horizon blue.

Accepted Answer

Horizon blue is a color name which is well remembered because it was used for the blue-gray uniforms of French metropolitan troops from 1915 through 1921.

Front	Horizon blue.
Back	Horizon blue is a color name which is well remembered because it was used for the blue-gray uniforms of French metropolitan troops from 1915 through 1921.

Horizon Blue Color Remembered Blue Gray Uniforms French Metropolitan