The percentage of true purist in the hobby is very small compared to the rest that just enjoy these old cars. The reason there are so many Red, Black, Blue, Orange, Purple cars is because that is what people want today on these cars.

I don't think that a color change from Green or Gold to a more saleable color hurts one bit. In fact I think that that in this type of case it makes the car sell faster for at least the same money as the original color of more. If you are not changing for the sake of resale than it makes no difference because it is for the owners enjoyment

I agree that the high impact colors just don't look right on the older cars that they were not originally available on.