> I am a huge fan of color and go out of my way to buy bright colored cars
This. If you look at the cars, pretty much the only "stock" bright color is red. I used to drive a grass green car (vinyl wrap), and it stood out everywhere.
I wish car makers offered more color options by default.
Almost all car makers offer bright colours by default. In my driveway is a bright blue Subaru (it was hard to pick between the blue and eye-searing orange) and a bright copper coloured Suzuki. Mazda is becoming famous for their innovative colour options. Google "Nissan Micra colours" to see what even Japan's most conservative carmaker offers to those who care to look.
BMW offers hundreds of colors, as do (I assume) most vendors. It’s not that they aren’t offered, so much as salesmen are simply pushing everyone towards black/white/gray because those colors are least likely to turn off a consumer. Can’t find red? Well black is very common and also looks mean!
Still, I think we’re seeing a LOT more color. From the cool khaki blue Subaru color that was so popular, to the M2 BMW in baby blue, to the Audi e-tron in purple, to the corvettes and mustangs that I rarely see in monochromatic colors.