Basically anything from ice cream green - Tiffany blue and anything in between but Aqua/turquoise is a safe bet for a color. Any shade bright or light.there will be something similar and blend able for either gender.
What if your reflection is not actually you, but in fact it’s a demonic creature watching and waiting. Each time you visit the mirror it get’s stronger, it learns better how to mimic you, how to be you. When it’s ready it will emerge from the mirror devou