Heat oven to 400°F. Bake cinnamon rolls as directed on can.
Meanwhile, add both food colors to container of icing; blend well to make orange icing.
Frost warm rolls with icing. Pipe decorating gel in spiral around top of each frosted roll. To form spider web design, start at center of each roll and draw toothpick through gel to edge of roll, spacing lines about 1 inch apart at edge of roll.