I raised registered pygmies for several decades and was active in the show world for over 10 years. They are wonderful little animals.
I'm attaching some links for you to look at.
The first one is the breed standard.
The second one is a link to accepted pygmy colors.
Caramel Pattern The caramel color pattern can range FROM white to caramel hairs, intermingled with white in the top coat making the top coat appears to be a shade of white/cream to tan. The undercoat has the same base color (black or brown) as the dorsal stripes, socks, and face accents. Caramel...
www.npga-pygmy.com
Unless you buy from a breeder of pure pygmies it's hard to find a pure pygmy anymore. There has been so much cross/interbreeding between the two breeds.
Your gals are pretty stocky, but I've seen Nigi's that were as stocky. The one girl with all the white, is cute! But, she either isn't pure pygmy or she's mis-marked. Their faces are a little long, as well as their necks. It's entirely possible that they are crosses. Whatever they are - they look to be in good shape and will hopefully do well for you.