It seems to favour Gold, (although the Daleks come out a little bit pinkish).
Even catches the gold rim on top of the Carlsberg glass in B&W movie clip.
I'm wondering how Shirley Eaton would turn out if turned to B&W (her big scene).
Could not resist, here she is
EDIT: I can see the BBC taking this up.
EDIT: Actually I dont think there is an identical color version of that frame, looks to have been done several
times where a little bit different setting.