That’s what’s called an Easter Egger, which are mixed breeds who lay blue/green.
Her pattern is FEMALE ONLY.
Hens have patterns like these:
Even, not super bright, once again, EVEN, and a lot of brown ones.
My two girls:
View attachment 2355747
View attachment 2355731
Some pics from the web:
View attachment 2355749View attachment 2355772
View attachment 2355773View attachment 2355774View attachment 2355775View attachment 2355776View attachment 2355777
And some of the boys. Note the streaky splotches, the bright colors, and the SADDLES. The black and white pattern is an exception to the bright colors, but the stark contrast instead of a gentle ombré is a clear giveaway.
View attachment 2355788View attachment 2355792
The b&w pattern. A pair of B&W males, then females.
View attachment 2355798View attachment 2355796
F:
View attachment 2355801View attachment 2355802