Do chickens change their egg color?

[soccerbabiesmama]

So, we have 4 black aussies. Only one chicken has been laying so far, we got our first egg 2 weeks ago. So far, all of hte eggs have been blue/green. But today, we got a brown egg. I'm trying to figure out if a new girl is laying. My question is, will a chicken suddenly change from laying blue/green eggs to brown, or maybe do I have 2 hens laying at this point?

 

[Sir Birdaholic]

2 hens. They may change the tint, but not the color.

 

[soccerbabiesmama]

Yeah! We are so excited! That's so awesome! This has been a slow going process and the thought of more than six eggs a week in fall is just great! Thanks so much for getting back to me!