GTO Orbit Orange, which was used on the Judges is close to the Cuda's Hemi Orange. A major difference between the GTO and the Cuda mirrors would be that most of the GTOs came with chrome mirrors. The ones that didn't have that same early 70s conical shaping.

You have to realize that most "Car enthusiasts" are "Casual car enthusiasts" to where they don't diversify themselves. They will stick to one manufacturer and get to know one specific vehicle. In older cars a lot of parts were designed to be almost the same between manufacturers as this cut costs significantly. That is also the reason that many parts were interchangable between models.