Olive green Dom pied male anda blue spangle opaline hen. If the male is not split for blue, all babies will be dark green or olive depending on the shade of blue your hen is. If he is split to blue you can expect half to be green series (dark green or olive) and the other half to be blue series (cobalt or mauve).
Half the babies will be dominant pied, half will be spangle; you could have some chicks that are both. All males will be split for opaline.