Radiance
Examples

Basics
Color and Shape
Radiance can be any color, even light colors. The size of the spots may vary, but it may not resemble speckling or mottling.
Shapewise, radiance is always circular. The patterning can be random:

Or more uniform:

Here are the minimum and maximum sizes for a radiance spot:

Range
Radiance can appear anywhere on the body, but must be immediately recognizable.
Interaction with Other Markings

It can have the same effect for barring:

And filigree:

When combined with eye rings, radiance can change the colors of the eye spots, or the entire eye ring:
