I have been wondering about colours and I need someone to explain this to me. My fengshui master told me that my colours are grey, blue and green for my apartment. The question I have is this, does my whole apartment need to be in these 3 colours or each room just have to have a percentage of either grey, blue or green and I can use other colours, (i.e. 40% blue and 60% other colours)? Tha nks.