/cgl/ - Cosplay & EGL

Reposting from the help thread.
I'm cosplaying Senjougahara and Hatsune Miku on the same weekend. I basically have three options:
a) buying separate contacts for each one (con: expensive)
b) buying an aqua lens for Miku and using the black pair I already have for Senjougahara
c) buying a dark blue pair and using them for both
Thoughts?
I'm not entirely sure what color Senjougahara's eyes even are. They look slightly dark blue in this picture but in others gray-ish or black.

If it helps, I have dark brown eyes and relatively big irises so I can't get a halo effect easily.

I want to buy the contacts for Senjougahara soon, but I can’t decide on the color.
I’m doing her and Hatsune Miku on the same weekend so I thought about just getting a dark blue pair, but I’m not sure it’s going to look nice for Miku.
I have black contacts and could use them as well and just buy an aqua pair for Miku.
Thoughts?