I HAVE SEEN HARDWOOD FLOORS THAT HAVE BEEN STAINED WITH 'WATER COLORS' SO THAT YOU CAN STILL SEE THE GRAIN. I HAVE SEEN DARK COLORS SUCH AS BLUE, GREEN, ETC, HOW IS THIS LOOK ACHEIVED? IS IT DIFFICULT, OR CAN THE AMATEUR PERSON GET THIS LOOK WITHOUT PRIOR EXPERIENCE IN STAINING FLOORS?