On 19/05/2010 02:01, Tom Sherman °_° wrote:

Fluorescent green vests are more common now on construction sites, while
orange was predominant 10 years ago.

Doesn't orange have problems with colour-blind people? It looks the same
colour as trees etc, whereas the flou green shows up.

I know on railways here orange is still used, but I'm guessing train
drivers aren't allowed to be colour blind.