My Scrivener is set up light text on dark background. Sadly all the non-alterable screen real estate is light and this is distracting to an extent. What I would like is either a dark version (black, dark grey (my choice), or mid-dark grey) or a way to fully skin scrivener (though I’m not a major fan of this option).

Tools > Options > Appearance > Colours seems to be what you’re after?

Thanks, TemporalRanger, I have already done that. What it does not do is the program frame or certain screens (like the snapshot screen). That is what I want skinned. So I can have all of Scrivener dark rather than just certain parts of it.