Fuck man, it really depends! In principle I'm an orange and black girl because I'm a slut for Halloween but I also enjoy icy blues, silver, gold, and other colors. Hard to pick a favorite.
Ever since I was a child I liked yellow the best for some reason. Close "seconds" are teal, torquise, purple, green, black and gold. I can also dig a nice maroon, khaki or ochre.
In general, I've always loved really obnoxious bright orange. In terms of what I wear I like purple more. As a kid I liked lavender the best, but as an adult I prefer deeper violet.
But to be serious, neon green has always seemed pretty cool.
Back when I was into dangerhair (rate :islamic::islamic::islamic: if you want), I always thought people with neon green hair was a pretty cool hair color.