how are old paint colors figured out ?

You have a paint code.

You have a vehicle make and model year.

The above information gives you a mixing formula.

You have a bunch of toners in a mixing bank.

You mix those toners to the formula.

It's as simple as that.


Well..... It's as simple as that if you are doing a complete repaint. It gets more complex if you are trying to repaint part of a car.

That's where blending, tinting, and color variances comes in.