Since my pullets are about the only ones laying, they have to sell to pay for feed....lol.My customers like a mix of size and color. I agree most folks who buy fresh eggs don't want white, but two white eggs placed in a carton of a dozen really set off the other colors. Put them next to your darkest brown eggs for contrast.
Pullet and bantam eggs usually get gifted to folks with toddlers and pre-schoolers. Little eggs for little kids