#!/usr/bin/env python3

color = 0x0000ff
def rainbow_gen(color):
    if (color & 0x0000ff == 0xff) and (color ^ 0xff0000 == 0xff) and (color ^ 0x00ff00 < 0xff):
        color += 0x100
        color -= 1
        print("test")

    return color

while True:
    color = rainbow_gen(color)
    print(hex(color))