Prepare 3 boxes white cake mix following package instructions; divide in thirds
In one portion of batter, gently stir in Orange Icing Color to desired shade (use clean toothpicks to transfer color from jar to batter). Repeat with Lemon Yellow and Leaf Green Icing Colors to color second portion. Reserve 1 portion batter white.
Place Batter Dividing Ring in the first prepared 9 x 1 1/2 in. pan. Pour green-colored batter in outer section and orange-colored batter in the middle section and white in center section. Fill sections halfway.
Remove ring from pan by carefully lifting straight up on handles. Rinse and completely dry ring.