Place the popped popcorn in a large bowl and set aside.
In a medium saucepan, combine the sugar, corn syrup, butter, and food coloring.
Cook over medium heat until the mixture comes to a boil, stirring constantly.
Remove the saucepan from heat and stir in the flavoring extract and baking soda until the mixture is smooth and frothy.
Immediately pour the green candy mixture over the popcorn, tossing to coat evenly.
Transfer the coated popcorn to a baking sheet lined with parchment paper.
Allow the popcorn to cool completely before serving.