Shikisai (色彩 lit. Color) is a song covered by Miyako Kono.
It was originally sung by Maaya Sakamoto and used as the theme song of the mobile game Fate/Grand Order. and as the ending theme of its anime adaptation, Fate/Grand Order: First Order. It was also used as an insert song in Fate/Grand Order - Absolute Demonic Front: Babylonia - Initium Iter.