Sable and white:

sable may vary in color, darker and redder
to lighter and tan
Tri-colored:

black, with tan face and on legs, and white
chest/feet
"Blue" merle:

gray to beige background with black spots;
rest like the tri-color
White:

Head and spots may be tri-color, sable or
blue merle
Coat and color types of pure-bred Collies