Especially at Naien (private dinner) in the new year and Nogyoko (hawking or picnic that an emperor went out for a pastime), an emperor wore Akashira-tsurubami (grayish red color) and a vassal wore Aoshira-tsurubami.
特に正月内宴・野行幸では天皇が赤白橡、臣下が青白橡を着用する例が見られた。