I agree with several other people in this thread: those Barred Rocks appear to have the female coloring (darker overall color).
You could have barred males of the darker color if they shipped Black Sexlink males by mistake. (That would be wrong breed and wrong gender-- wrong breed might be...
It is a good reason to read the terms before ordering from any hatchery.
The hatcheries with nicer refund policies tend to have higher prices too. Ideal's prices tend to be pretty low compared with many other hatcheries. Some people would rather pay more money and have a better guarantee. Some...
What females did you order? (Specific breeds or a mix? And if a mix then what mix?)
At first glance I think I am seeing a bunch of probably-female birds in your photos, and not a bunch of males, but I could easily be wrong at this young age, especially without knowing the breed.