contrast

I use this code and it works in most cases for an xCLV items: B4X: lbldoctor.Color=Rnd(xui.Color_Black, xui.Color_White) lbldoctor.textColor=Rnd(xui.Color_Black, xui.Color_White) What is the best way to insure that there is always a contrast between the label color and its text color, so the...