When I get bored, I sink $$$ into dye. So, having nothing better to do, I tested silver dye on my mesmer's desert collector's cane and focus.
The cane turned black and silver, instead of its normal green-ish tinge, and the chalice from gold to silver. :happy65:
What I haven't been able to find is more reference images of what other weapons and offhands look like when dyed different colors. I'd love to see what other people have done to customize theirs. :D