Line the bottom of the Spring-form pan with parchment paper, and set aside.
Stir graham cracker crumbs together with sugar.
Pour melted butter over crumbs and stir.
Press the graham cracker crumbs evenly into the bottom of the Spring-form pan, and place the pan in the freezer.
Mix the softened cream cheese until it's smooth and creamy.
Add the sweetened condensed milk, blend again.
Add powdered sugar and blend on low until creamy.
Divide the mixture into five bowls.
Pour each Jello colors into a bowl of cheesecake to make five flavors of batter.
Go back and add the coordinating color of food coloring.
Add more to achieve the desired color.
Remove the Spring-form pan from the freezer.
Drop in 1/2 a tablespoonful of each of the colors, alternating between the colors until you fill the bottom of the pan. Continue to drop the 1/2 Tablespoons of cheesecake mixture on top of the bottom layer until you've used all the cheesecake mixture.
Use a wooden skewer to swirl through the cheesecake, creating a tie dye look.
Place the Spring-form pan back in the freezer and let sit for at least 6 hours to completely set, or overnight for best results.
When you're ready to serve, remove the cheesecake from the freezer about 15 minutes before time to serve.
Cut into 2 - 3 inch pieces and serve.