you are on the right track with that silver-grey cable casing.
gold hb wrap will overpower the frame colour. should you wish to go with a colour in that direction a soft yellow, not too saturated, would be better.
white or even grey hb wrap would be more tasteful.
if you will be using toeclips you will want to coordinate strap hue as well.
those arrestors are a bit like fitting equipment from the starship enterprise to a tin lizzy. just mho.