I've done a fair amount of recent research and they were definitely highly variable in color depending on the lighting - Morse called his "mango" when he and Luke unveiled them together on stage with BP on bass.
Kevin
Well some I've seen look gold, but then some do look orange. So you're saying it's the lighting only?
Well from what I've seen, the title 'Mango' is a really good one!!!! hahahahahaha