bg fix for w, c, b button (b/w tiles)
bg fix for w, c, b button (b/w tiles)

GerHobbelt/colorPicker,dimaninc/colorPicker,dimaninc/colorPicker,GerHobbelt/colorPicker,PitPik/colorPicker,PitPik/colorPicker,omni360/colorPicker,omni360/colorPicker,MingNeo/colorPicker,MingNeo/colorPicker