Expression is alert, curious and intelligent. Eyes are expressive, set obliquely, round, somewhat prominent but moderate in size, and of matching colour. Eye colour varies with body colour from darkest brown to amber and hazel. When eyes are brown, a darker brown is preferred. Amber eyes are permissible for a blue dog. Blue eyes are acceptable in blue or blue fawn dogs only but grey is preferred. Eye rim pigmentation corresponds with the nose colour. An incomplete eye rim is only acceptable when the colour around that eye is white.