The first chicks coloring looked solid blue like the hen to me but the second chick reminded me more of the roosters coloring with the lighter blue in the shoulder then the darker around the wings and back.
So I bought two BBS Andalusians from Meyer hatchery they are both 4 weeks old so I noticed off the bat that they both had different shades of blue on them I thought they would grow out of it. But I took a closer look at them today and I think the darker one could be a cockerel. I’ve attached...