Door trims arrived yesterday and its all good. Colours all match or are very close. Even found a rattle can colour to do the hinge covers with.
For info, the door trims and seat backs are Accu-Form and are a basic white plastic that has been painted to match. Now hopefully they will actually fit when the time comes. Thanks for the paint code PlumCrazy - local paint shop has a Chrysler/Mitsubishi Spinnaker White with a code of EWH so will have to get them to mix some to see if it is a better match than the one I have.
p.s. did a test fit on the seat backs and they don't quite line up with the factory hinge cover plates - can't all go right