Table 51-1 lists the names of the color attributes that changed. These attributes are described in more detail in Chapter 41 starting at page 620.
Tk 3.6
Tk4.0
selector
selectColor
Scrollbar.activeForeground
Scrollbar.activeBackground
Scrollbar.background
troughColor
Scrollbar.foreground
Scale.activeForeground
Scale.activeBackground
Scale.background
Scale.sliderForeground
(did not exist)
highlightBackground
highlightColor