白 (shiro) means “white” | MotiTan Japanese Dictionary

More examples

壁を白に塗りました。kabe o shiro ni nu ri ma shi ta

I painted the wall white.

It is the bright color produced when visible light is reflected broadly rather than absorbed.

白色shiroiro: The color created when most visible light is reflected instead of absorbed.

雪や雲のように明るく、色味のない色。yuki ya kumo no yō ni aka ru ku iro mi no na i iro

The native Japanese noun 白 (shiro, "white") shares its stem with 白い (shiroi, "white"), whose older form was 白し (shiroshi, "white").

In everyday Japanese, 白 (shiro, "white") names the color by itself, while 白い (shiroi, "white") modifies a noun, as in 白い花 (shiroi hana, "white flower").