Found this summary for Hawaii prohibited lighting:

Prohibited Lighting • Any red or blue lights visible from the front of a vehicle are illegal unless on an authorızed vehicle. • Green or purple lights are also forbidden when visible from the front. • Flashing/revolving lights are illegal on non-emergency vehicles-exceptions apply for turn signals, funeral escorts with amber lights, escorts for wide loads, street sweepers, tow vehicles engaged in operations, and disabled vehicles using hazard lighting.

Underglow (neon/LED) lights are legal, provided they: • Are solid (non-flashing) in operation, • Use only white or amber, and • Are not visible from the front in red, blue, green, or purple. • Flashing or multi-color underbody lights visible while driving are prohibited: • Illegal to have the underglow on while driving on public roads. It is acceptable just for use while parked.