OK here's where the problem with Ameraucana and EE.
The hatcheries advertise their mixed breeds as Americana. It's a deceitful way of making people think they are getting purebred birds, when in fact they use AMs and another breed to get the EEs. They usually do though mention Easter Egger somewhere in the ad. This makes the buyers think that because they bought them from a hatchery, that they have the true Ameraucanas. They don't. They also sell them to the feed stores this way, so you'll find EEs there as Americanas. So an EE is really a cross of AM and anything else.
Then the person who buys the Americanas, EEs, raising and sells them the same way. Some find out the difference and are honest and some find out and still pass them off. If you check
eBay under Ameraucana, you will see a ton of EEs being sold that are not Ameraucana. Trust me, many have let them know they are wrong, but money is money.
So then an unexpected member shows up and asks about their Ameraucana and the drama starts. LOL
You have a beautiful bird. If she's what you want, then it doesn't matter what you have. She's not less a chicken who will give you eggs. You won't know for sure if you'll get white, pink, green, brown or blue till she lays. Easter Eggs don't all come in one color, so you could get any of those.
To get a pure AM, you need to go through breeders. They are kind of guarded and you won't find a true one through a hatchery or feed store (that is unless a breeder gets rid of birds there), so if you want an AM there are plenty of us here that have them. Either way, I hope you enjoy your cute little bird. I'd like to see what she looks like as she matures. I love her markings.