Yes, so far that seems to result in the colour palette applying correctly in qtcurve...
Re-tested with up to qtcurve-qt5 1.8.18+git20160320-3d8622c-3 Problem persists. Also...
Re-tested with up to qtcurve-qt5 1.8.18+git20160320-3d8622c-3 Problem persists. Also...
smplayer qt5 16.6.0 not using selected qt5 colour scheme with qtcurve