What's the best color for Ugg slippers and why?

I like ugg slippers, I own 2 of the actual ugg slipper type and 3 of going out ones, I have pink and white actual ugg slippers, one because I leave my white ones down my caravan and wear my pink ones at home, and with actual going out ones i have black, brown and cream and they all go with everything! Get two pairs just in case!