On Wednesday October 24 2018 18:07:19 Peter Devyatkin wrote: > Unfortunately, if I change to a non-breeze window decoration style, none of > the options I have tried so far (Adapta, Arc, Arc Dark) have respected my > custom color scheme. FWIW, QtCurve gives some control over colours used for window decorations, but sadly this part has never yet been ported to Qt5/KF5. Sorry, I don't think I can help you any further - I've stopped using KWin myself and am quite happy with the dark glass look of the Oxygen desktop theme for panels and such. R.