Apple Ombré Pie

Perfect Pie Crust, prepared for a fruit pie and chilled

medium red apples, such as McIntosh or Cortland

medium pink apples, such as Jonagold, Gala or Fuji

medium yellow-pink or green-pink apples, such as Golden Delicious or Northern Spy

medium green apples, such as Granny Smith

Lemon juice, as needed

unsalted butter, cut into 6 pieces

cup/50 grams granulated sugar

ground cinnamon

fine sea salt

Egg wash (1 large egg mixed with 1 tablespoon water)