I would pin him just as a multicolored since he doesn't really fit into the butterfly category, he would need distinct bands of color and a while band at the edge of his fins.
I almost wanted to say a Blue and Red Mustard Gas but I'm fairly certain that's not possible lol, he's just got the pattern of a Mustard Gas.
RJ (H. Lifalili), Acara (EB)
Ghost, Tuxedo, Trip (Angels)
Leopards: 1:3 Hawkeye, Luna, Astrael, Dorian