In a large bowl, whisk white chocolate pudding mix, cold milk, and green food colorings until smooth and thick.
Pour pudding mixture into the Oreo crust, spreading evenly.
Refrigerate for at least 3 hours until firm.
Spread Cool Whip evenly over the set filling.
Sprinkle green sugar and heart sprinkles over the top.
Garnish each slice with a red heart and enjoy chilled.
