'70 Nova SS L78 Resto Question...

[Schonyenko2]

While the rim color should be the same as the car. I remember that most of the time, "back in the day" if you couldn't afford "fancy" rims, you painted what you had black, and sometimes white. And sometimes if you had slots, or something with spokes, you painted the brake hub the same color as the car.
To me, black painted rims would be a correct day 2 application. But it's really how you want it to be.