He wouldn't have much use for her since his weiner was probably melted off/or severely deformed while laying face down in a Mustafarian lava bank. There are just some things Palpy can't fix with Cybernetics.
I think it can be chalked up to paint op procedures rather than a legit variant/running change. All the one I've seen (here in the midwest) have all had the varying shades in the midsection. (I do like the darker/dirty version though)
What's sad about having to buy the 2004 re-dos, just to get the OOT versions, are all the errors in the lightsaber color-correction. (i.e. Luke's green saber during the training remote scene and Vader's fashionable "pink" blade in ESB & ROTJ)