If you don’t find the black metallic paint you want, do you like the black pearl paints?
Pearls reflect a certain percentage of light much in the same way as a metallic does, but without the bright metallic particles. The pearl paints use a ground (pearl) powder to accomplish the reflective effect. It used to be a high end color back when real pearl was used, but the synthetic pearls have brought the cost back down to earth.
Two that stand out are the: Acura crystal black pearl, paint code: NH-731P and Dodge brilliant black pearl, paint code: AXR
Several other other manufactures also offer their own version such as: Jaguar, Harley, BMW and even Hyundai. Worth a look.