I don't want to debate but hang on a second, there are more darker shades purple as in being show accurate. When I google images the next 4-5 images of shockwave is of darker purple.

Is hard to say that the official colour is supposed to be the lighter shade .
This is my issue I had with bumble bee, there are a lot of times is not orange and is yellow.

I have no issues with the toy overall just that the lack of paint makes it look very plain.