Steel grey, greyish/brown, greyish/yellow, reddish/yellow, reddish/brown with darker guard hairs on back, neck and sides of body, lighter hair same shade of colour as mentioned above is desirable on muzzle, throat, chest, belly, buttocks, feet and hocks. Instead of these lighter shades, white markings are acceptable, but never in excess of one-third of total colour. Any colour other than the above, including white and blue or any non-standard colour, is highly undesirable.