noun, noun which may take the genitive case particle 'no'
vermilion; cinnabar red
A vivid reddish-orange color, similar to 朱色 (しゅいろ) but often perceived as slightly deeper or more intense. Used as both a noun and a no-adjective.
See also: 朱色
彼女は朱赤の着物を着ていた。
She was wearing a vermilion kimono.
朱赤は日本の伝統色の一つだ。
Vermilion is one of the traditional Japanese colors.