Strange, since that's what it should be showing up as. Have you re-loaded your skin since you made the changes?
Also just for reference, my sliders are black and in my .ini the line is
Edit; Sniped.
Also just for reference, my sliders are black and in my .ini the line is
SliderTrackOverride: 0,0,0Yours looks correct but maybe try copy-pasting my line in there and see if anything changes.
Edit; Sniped.