Good point, I didn't know you hatched it....Easter eggers can lay any color -- white, brown, blue or green.
EEs are actually not a breed, but a mix that has the blue-egg gene.
Most EEs have puffy cheeks, a muff or beard, and I see that yours doesn't have those...... so I could be...
sorry, but I don't know....is that white feathering on the sides? My computer doesn't show the comb very clearly either but...can you tell if it is a pea comb from some of the info here on the forum? slate-colored legs, pea comb and unknown background may be an Easter Egger, which would then...