VW is probably the worst for conservative colours, although occasionally they blip with things like Limette. But BMW/Merc/Audi are almost as bad.
Any shade on the silver through to black is bland, and I often wish we were back in the eighties.
Maybe people just want to blend in? Who knows...……………...
Dave, my Beetle Cabrio is a fetching bright red. Perhaps because it was built in Mexico!!