In reality, eggshell color solely comes down to breed. And brown and white aren't the only colors out there. "Various chicken breeds lay various colors of eggs, from green to pink, blue, brown ...

The color of the shell doesn’t change the nutrients, just how it appears. During their entire life, hens will not change eggshell color, so what you see is what you get.

The color of the eggshell has no impact on the egg’s nutritional value or taste, adds Yarborough. “This is derived more from breed and bird nutrition,” he adds. Blatchford agrees.

Eggshell color has nothing to do with the nutritional value of the egg. (Yulii Zozulia / Ukrinform/Future Publishing via Getty Images) The color is "purely based on the breed of chicken," Steele said.