If you really want orange you could look into Scion's xB Release Series Orange:
http://www.scion.com/xb_release_series/gallery.html
That is a link to the website. I guess its supposed to be the brightest orange put on a car. I have a friend in TX that had a bug (Which unfortunatly met a wall pretty hard), anyway, he got one of thsoe, in the Release series, and the color is extremly
orange