The funtastic color serie is the most known color scheme. They are seperated in three generation. The first generation is totally translucid, the second have a translucid top and a white bottom and the last generation have a translucid top with grey parts on the bottom. Some limited edition were extracted from both kind. The first and third serie were released world wide but the second was only available in japan and europe. A funtastic Clear Purple prototype also have been made by Nintendo Of Europe in limited piece.
First Funtastic Generation
They are translucent color plastic. Colors are Smoke Black, Jungle Green, Fire Orange, Ice Blue, Watermelon Red, Grape Purple / Midnight Blue.
Second Funtastic Generation
The top is translucid but the bottom is "pale white". There's just 2 released color (Clear blue and Clear red)
Third Funtastic Generation
This generation count 2 model, a Grape Purple - Midnight Blue and a Fire Orange with some parts in white on the bottom but no the full bottom layer as in the second funtastic generation.
Rerefences
http://www.consolecolors.com/nintendo.html#n64
http://en.wikipedia.org/wiki/Nintendo_64#Hardware_color_variations