At a quick glance :
Trael'uss is a Drow young woman in the "slightly above average" sizes. Black Skined, red eyed and snow haired, she looks pretty much the typical Drow, if only noticeable by how common and average she is. Pretty much the only thing noticeable about her if you hear it would be her voice... it holds a ghostly echo to it, as if it was two or three young women's voices superposed.
Her skin, also, if you were touch it, is very cold. Not exactly corpse-cold, but... almost so. Altho, it can be warmed up.

She wears, most of the time, a Warmask to cover her face. One that would mark her as a Yathrinshee, but underneath the mask, her face and expression would easily be defined as "Goofy and Cute" with big eyes, long eyelashes and way too much emo-makeup.

As for lights and stuff :

Greenlights mostly revolve around Bondage and Non-consensual IC stuff. Mmmh... Creativity and overall anything fun. Oh, Coherence too, are greatly appreciated.
I Love some particular form of "Realism" or "Logic" in our fantasy world, altho if you present things in a fun and coherent way, I might just go along.
A warning tho, She's rather fiesty and -will- resist.

Reds are kinda hard to define for me as I might pretty much go along with anything if it's well brought in and the mood is there, nonetheless if it's too brutal to be fun for me, Gore for the sake of it, Pain for sheer sadistic torture, I might ask to shorten things up or simply stop. Oh, mmh, Mind Control too, is something I'm usually really not fond of. Otherwise, apply server rules.

''Bend it, don't break it, be responsible.''