We know at least the basics were the same from new, as she had a starring role in a trashy movie “Now and Forever” in 1983 in the same livery. (4:30 mark on YouTube if your interested, please don’t bother after that .. shudder).
Always good to know of an appearance of a Morgan in film or TV, that's one I hadn't heard of.
https://youtu.be/YMnhPJPc8V8It's not really possible to judge colours from a 40-year-old film converted to a video stream, but even then the cowl and bonnet look different to me.