I really like all three of those color choices. I have considered going to black on my car at times, but I love the high impact colors too much. Muscle Mopars are really the only cars on the planet that look "right" in Plum Crazy or Limelight or Panther Pink. I have seen Chevelles and Camaros in Limelight and Plum Crazy, but they just look like nice cars painted the wrong color.
When you say "Cuda" to most people - especially non car people - they most likely think of a High Impact colored Hemi Cuda.
Plum Crazy is a signature of both the Era and the Brand. You have what is argueably the most sought after Musclecar on the planet.
Why not paint it Plum Crazy and give the people what they want.