Interesting circle of influences. Klimt was heavily affected by the aesthetic movement which drew inspiration from the flat, decorative style of Japanese prints.

So here he is feeding back to anime, another heavily stylized form.

But you know, there's something about anime hairstyles I can't take seriously.

Anime hair color is a topic that deserves a dissertation all of its own. In fact, you can fine one here.

As I read it, it comes down to three basic reasons: first, in a country where everybody has black/brown eyes and black/brown hair, it helps differentiate among characters; second, hair color is often highly representational of personality, the classic case being Ranma, who has red hair in his female (supernatural) form and black hair in his male (normal) form; third, especially in anime, it's an adaptation to budgetary and artistic limits. Texturing hair is a pain, so color is used as a substitute. This can be seen in the recent digital production of Appleseed, in which hair is left in a blocky, "anime" type style. Rendering the hair alone would probably have doubled the budget. I recall a documentary about making Monsters, Inc. and what a major accomplishment rendering Sulley's hair was. And no Japanese studio can approach Pixar in terms of time, technology and operating capital when it comes to producing a film.

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I'm off to YouTube to see if I can find this moving.