I believe he used the paint set that has 4 blues, 1 red and 1 white (can't remember the number)
Then he slapped on a very light green. (again, cannot remember the number)
If you need more help I'll take a screenshot or something in KR...
KR:l 00 Qan[T] l Zabanya (Final Battle Type) l Harute (Final Battle Type) l 00 Raiser l 00 7 Swords/G l
l 00 Raiser Condenser Type l Exia Repair II l l AGE-2 Normal l AGE-2 Double Bullet l Strike Noir (Twin Linear Guns) l