Thanks for your help! Finally decided!

A-chan:
MAGIC GREY BLACK!!!!

Kuro:
cara violet also nummer 3 sind am geilsten

Sam:
Also ich würde sagen "Magic Grey Black"! :3

Oder "Magic 2 Violet", dann ist aaaaaaaaaaaaaalles LILA

Trucy:
magical gray black :)
if you choose cara green that would look a little bit creepy :O
but i think magic 2 violet would also look good on you. lila hair and eyes :D
 
⚜Katriona⚜

"Magic Gray Black" look very beautiful :з

Thank you all!