Kurotsurubami — Kurotsurubami is named for the cured wood of the black chestnut tree, Kurotsurubami is a rich shade with plenty of heat and intensity. It belongs to the brown or dark brown color family, with descriptions like Black Chestnut Oak or a "very dark brown" or "black-brown" tone, indicating a dark, muted, and warm color with grayish undertones.