noun
beniaka sweet potato; Kawagoe sweet potato
A specific variety of sweet potato with red skin and sweet yellow flesh, particularly associated with the Kawagoe region. Often used in culinary contexts.
See also: 川越芋
川越の紅赤は焼き芋にするととても甘い。
Kawagoe's beniaka sweet potatoes become very sweet when roasted.
noun, noun which may take the genitive case particle 'no'
bright red tinged with yellow
Describes a vivid red color with a yellowish undertone, similar to the skin of the beniaka sweet potato. Can be used as a noun or with の to modify another noun.
彼女は紅赤の着物を着ていた。
She wore a kimono of a bright red tinged with yellow.