Concept tags

Not limited to, but collected by works containing:

dispersion
hue shifting
refraction
subsurface scattering
translucent

bioluminescence
caustics
dappled moonlight
glowing hot
ultraviolet light

Works best in combination with NL if you name a character, describe their basic appearance, and finish with descriptions of light sources and their effects on the scene:

A vibrant and dynamic illustration of Hoshimachi Suisei from Hololive, featuring her squatting in front of a glowing triangular prism.
A beam of white light enters the prism from the left and refracts into a vibrant rainbow on the right. The background is a solid dark grey to emphasize the lighting effects.