how to change background color of a label in QT -

i developing calculator using qt framework. have put label display entered number , answer want change color of label. how can that.

label = new qlabel("0",this);//label text inputs label -> setgeometry(qrect(qpoint(75,25),qsize(50,200))); 

please help

you can use qt style sheets

qlabel* label = new qlabel("hello"); label->setstylesheet("background: red");