2B Tint?

[glumen]

On this page it states it "Uses premium 2B tint Cree XP-G R4"
http://www.shiningbeam.com/servlet/the-213/Romisen-RC-dsh-N3-II-CREE/Detail

I've searched a bit but haven't found anything definite on "2B tint". What color would it be? Neutral white?

Thanks!