I had one that was lighter as well. But like said, that's hatchery stock. Boy almost look white with black stripes.
https://www.backyardchickens.com/t/571112/hen-or-rooster-barred-rock-was-supposed-to-be-a-hen/30
Scroll down a little to see the comparison.
Also, a male would be trying to breed your female at this point and she would be screaming bloody murder at first.
Your girl has zero male feathering as far as sickle, saddle, or hackle!
https://www.backyardchickens.com/t/571112/hen-or-rooster-barred-rock-was-supposed-to-be-a-hen/30
Scroll down a little to see the comparison.
Also, a male would be trying to breed your female at this point and she would be screaming bloody murder at first.
Your girl has zero male feathering as far as sickle, saddle, or hackle!