Parker! I love the blue barred babies! And I can do that, too. I have a blue Ameraucana and Barred Rock roos. hmmm. Makes me want to hatch some of that cross. Sexing rules may go out the window with the cross, but on your first pic, I'd say on the right, cockerel and left pullet. Forget the blues, LOL!!
The Sex Link Hybrid is the result of crossing two purebred standard breeds. The Rhode Island Red rooster and the Barred Rock hen. The baby Chicks are color sexed- males barred (black with light color on head) , pullets are black.
Does this help?
The picture these are talking about are black with the light spot on top. Look just like yours, they are just adorable but it looks like they are Cockerals. Not sure about the others,