羊よう羹かん色いろ

noun

rusty color from faded black or purple clothes

Describes the reddish-brown tint that appears when black or dark purple fabric fades, resembling the color of yōkan (sweet bean jelly).

• 長なが年ねん着きた黒くろい着き物ものが羊よう羹かん色いろになっていた。

  The black kimono I wore for years had turned a rusty yōkan color.