Which one should I get; XML T6 NW or XML U2 CW

[scaru]

No, that seems to be right to me. There's a basic explanation of different tints here.

Tint, Binning, and CRI Explained (For XM-L LEDs)

I figured I'd make a guide related to XM-Ls and tint, binning, CRI, and all the other details I can think of. Tint There are 3 basic tints. Cool White is a very pure white and is what most lights are. This generally has a low CRI (color rendition index) and will not show colors that well. Some people say that it is to blue. It is generally around 6000k. Neutral White is considered to be one of the better tints as it still seems fairly white, but does have a higher CRI. It …