Pinned
During the bridge of Empurple, chanting can be heard behind the main vocals, except for in Mafuyu's part. This chant is "sharp double six four F eight C".
If we change the musical sharp (♯) for a number symbol (#), this makes the hexcode #664F8C, which is a purple color.
OHHH i made a post abt this it's also her hair:
ooh that’s so cool!! Pinning this for me to listen to later