procedure TMainmForm.UnimLabel2Click(Sender: TObject);
begin
//#FF8C00
//#FFD700
//#00CED1
UnimPieSeries2.Colors[0]:= '#FFFFFF';
UnimPieSeries2.Colors[1]:= '#FFD700';
UnimPieSeries2.Colors[2]:= '#FFFFFF';
UnimChart1.JSInterface.JSAssign('chart.colors', ['#FFFFFF','#FFD700','#FFFFFF']);
UnimChart1.JSInterface.JSCall('chart.refresh', []); //not work
end;