Black, blue and tort are all self-pattern colors, so from those crosses, all you can get are self colors (like blue, black and tort) in solid and broken. Opal is an agouti-pattern color, so you can get agouti colors like chestnut, opal, and orange from them.
Black, blue and tort are all self-pattern colors, so from those crosses, all you can get are self colors (like blue, black and tort) in solid and broken. Opal is an agouti-pattern color, so you can get agouti colors like chestnut, opal, and orange from them.