Iridescence creates a colorful play of color where light strikes it. This does not color your dragon’s actual body. You do not have to use the whole rainbow, but it should clearly have multiple hues in it. It should cover at least 50% of the dragon’s body.
As a light effect, it will display on top of white mutations like albino and tobiano.
Modifier & Physical Trait Interactions
Iridescence may not be affected by color modifiers. It may affect wings, crests, and tails without contributing to the maximum limit.
Iridescence may affect as low as 25% of the body. It may also attach to a single marking.