Set oven to 325°F and grease pie dish.
Mix graham crumbs, butter, sugar; press and bake 8–10 minutes.
Beat cream cheese and sugar until smooth; add eggs, vanilla, sour cream.
Split filling into 4 bowls; tint pastel colors.
Spoon colors over crust, swirl gently with toothpick.
Bake 35–40 minutes until center is set but slightly jiggly.
Cool gradually with oven door ajar 15 minutes.
Refrigerate at least 4 hours or overnight.
