Highlight current color in QColor pallete view

[ydfzgyj]

Some of our users doesn't know too much about RGB colors, so we need to use palette view and they can just choose one color from it.
But in the palette view, some colors are very similar. Just show the current color at the top of color picker cannot accurately locate the currently selected color, so I hope we can have a reverse color border or something else to the currently selected color when it appears in the palette.

looks like this