Is there anyway to make a semitransparent zombie skintone?

[Rulue]

I... am not sure if this is the right place for asking this. If it isn't, I apologize.

Anyway, I was wondering if zombie skintones are really skins or just overlays, and if there is anyway to make a semitransparent one. Because most defaults I could find are extremely pale, and I hate when my dark-skinned sims are suddenly pale if they become zombies. I am asking because I've seen semitransparent werewolf and plantsim skins before, and I thought they weren't overlays?

I'm not very experienced with creating, all I can do is recolor and default skins and eyes, sadly. I was just wondering if it was possible before trying to mess with SimPE and screwing something up.

Sorry if I am being annoying or confusing, I struggle to get my point across in english sometimes. And please forgive me if I posted on the wrong place, as I am not really familiar with these forums. :)

[Phaenoh]

Zombie skintones are skintones, vamps are overlays, pretty sure the wolfs and plantsims are regular skintones as well. Do you have links to the ones that were semi-transparent?

[mr_db1]

not to read like a rude person, (sound like doesn't quite say it right here)

but plantsims are a desease with a make-up job over all of the body
that is not a skintone of it's own

so are wherewolfs (read about it on sims.wikia.com)

and for the semi transparant stuff
the only ones I have seen are build upon the ghost-mesh what means the sim is dead