Still Explorer & Shell > Explorer > Items View > ItemsView > FILLCOLOR
With Old New Explorer you can get this instead:
Yellow is Toolbars, Headers, & Rebar > Toolbars & Headers > Status
Green is Explorer & Shell > Explorer > CommandModule > Button
Red text is Explorer & Shell > Explorer > PreviewPane > Attribute Value > Static
Black separators are Toolbars, Headers, & Rebar > Toolbars & Headers > Toolbar > Separator