[me2i81]

I have Cree recessed modules in my kitchen, and they're fine when not dimmed. They don't change color temperature when they dim, which incandescents do.

[semi-extrinsic]

I've recently seen adverts for LED bulbs that (intentionally) lower the color temperature when they're dimmed.

Here is a 2013 article that goes into the technicalities a bit:

http://www.ledsmagazine.com/articles/print/volume-10/issue-1...