Although this name pertains to "sekihan," it's not as reddish as the usual sekihan rice but is instead somewhat brownish, resembling gomoku-okowa (glutinous rice steamed with various vegetables or fish).
「赤飯」という名がついているが一般的な赤飯のように赤くはなく、どちらかというと五目おこわのように茶色に近い。