Place the rest of the yogurt in a blender. Add 1/4 cup raspberries and blend. Spoon about 1 1/2 tablespoons of the light pink raspberry yogurt on top of the white yogurt in each of the cups.
Meanwhile, add another 1/4 cup of raspberries and the juice of 1/2 the orange to the blender. Blend. Pour just over 1/2 this medium pink mixture into a glass.
Remove the plastic and pour the medium pink mixture over the light pink in each cup. Freeze 30 minutes or until just firm enough to add the final layer.