Why was the color of WWII Japanese Army clothing yellow?

The development of the Japanese Army went through 2 important periods, and there were 2 very significant changes in uniforms. The Meiji Restoration established the modern army started by learning from the French army, the uniform was black on the top, officers had no epaulettes, and rank was indicated by black embroidered lines on the cuffs. Officers had no epaulettes and their ranks were indicated by black embroidered lines on the cuffs of their sleeves. The enlisted men and lieutenants, and the sergeants have yellow cap walls. Lieutenants have 1 cap line, officers have 2 cap lines, and generals have 3 cap lines on a red cap wall. The military insignia was the Rising Sun insignia in the early days, and soon changed to a gold five-pointed star that was used until the end of World War II. Japanese cavalry for red breeches green pants line, gold buttons.

After World War I, the Japanese Army color for the national defense color, the national defense color is the basic color of the Japanese Army, that is, teal green, domestic film and television props uniforms are not allowed. Not earthy yellow. Army summer shirts are withered grass yellow