This is the best way to see her blonde roots. Kako has a beautiful coat of fur. As I said, she's a black tabby with ferret-like hair. While it's usually extremely difficult to see her tabby stripes, it's always simple to see the lighter roots at the other end of the dark hair she normally has on display.
Anyway, here are some pics of her doing just that — airin' the pootie.
Note that the first several are from years ago and taken with a disposable camera; therefore, pardon the (lack of) quality.