Explorer background:
Explorer & Shell > Explorer > Items View > ItemsView > FILLCOLOR:COLOR
Text:
Explorer & Shell > Explorer > Items View > ItemsView > TEXTCOLOR:COLOR
and
Fonts, Colors & System Metrics > Fonts & System Metrics > WINDOWTEXT:COLOR
Navigation Pane:
Explorer & Shell > Explorer > ProperTree > <2> > FILLCOLOR:COLOR
TEXT COLOR:
Explorer & Shell > Explorer > TreeView > TreeItem > HOT,SELECTED, ETC.
Preview Pane
Explorer & Shell > Explorer > ReadingPane > Background > ALL 3 GRADIENTCOLOR
Jerry