A lot of private companies wear hi-vis orange jackets, to distinguish them from the gardai and paramedics etc.
Funny how they keep losing kneecaps, now you mention it...
( Esme Weatherwax I swear on my tash it's daycent hash, Thu 26 Jun 2008, 23:30, archived)

Same with Northern Ireland's football team
They actually play in orange and the kit is only digitally altered to green before broadcast.
( Lord Gnome, Thu 26 Jun 2008, 23:37, archived)