Contact lens color? Blue-ish grey?

What color are these contact lens called? I'm dying to know. I want them so bad!
The ones that Dannie Riel wears?

Here are some pics:
http://farm7.staticflickr.com/6132/5944616577_c11a431d43_b.jpg

http://25.media.tumblr.com/tumblr_ktrarjB0Qe1qzi04uo1_400.jpg
>>> Contact lens color? Blue-ish grey?