-text "Four buttons are displayed below. If you click on a button, it will change the background of the button area to the color indicated in the button. Click the \"OK\" button when you've seen enough."
frame $w.frame -borderwidth 10
button $w.ok -text OK -command "destroy $w"
pack $w.msg -side top -fill both
pack $w.frame -side top -expand yes -fill both
pack $w.ok -side bottom -fill both
button $w.frame.b1 -text "Peach Puff" \
-command "$w.frame config -bg PeachPuff1"
button $w.frame.b2 -text "Light Blue" \
-command "$w.frame config -bg LightBlue1"
button $w.frame.b3 -text "Sea Green" \
-command "$w.frame config -bg SeaGreen2"
button $w.frame.b4 -text "Yellow" \
-command "$w.frame config -bg Yellow1"
pack $w.frame.b1 $w.frame.b2 $w.frame.b3 $w.frame.b4 -side top \