Rainbow・Coloured・Promise

(レインボー・カラー・プロミス) is the first ending theme of Arc-en-Ciel Lumiere Pretty Cure, sung by Miyamoto Kanako. The TV sized version of the song first debuted in episode 01 of the series while the full version was released in the first theme single - released on the 28th March, 2019.

Trivia

 * This song is the 7th Pretty Cure ending song sung by Miyamoto Kanako, after the ending themes of Yes! Pretty Cure 5!, Yes! Pretty Cure 5 GoGo! and KiraKira☆Pretty Cure A La Mode.
 * This is the second ending song of Pretty Cure to receive 6 individual versions sung by the main Pretty Cure's respective voice actresses, following Let's・La・Cookin'☆Showtime from KiraKira☆Pretty Cure A La Mode.
 * This is later followed by the second ending song of Arc-en-Ciel Lumiere Pretty Cure, Our Arc-en-Ciel・Dreaming Spectrum.