If you ask the police, they will say gray. Why? because when you count up the number of tickets issued, more gray cars are cited and that's because there are more gray cars on the road. What you really want to know is, what colors
attract the most attention. Logic says that bright, vivid colors (why are fire engines red--or day-glo green? Why are school buses yellow?) and, of course, the colors mentioned by Gogar!
I'd say any color on your list would be relatively safe, save the metallic green if it's a bright, vivid green like lime or viper.