Does anyone here do contrast color thread on buttons and buttonholes on dress shirts by default? Imagine a medium blue shirt with dark navy blue thread on the buttonholes, and to sew the buttons to contrast against mother of pearl buttons. Or, imagine a blue/white striped shirt with dark blue thread for the button holes and to sew buttons on. I find it very distracting and it seems to be an Asian thing, but does anyone do it? Or should one absolutely forbid one's tailor from doing it for formal shirts?