Tint icing Tint 1/2 cup icing dark pink, 1/2 cup light pink, 1/4 cup dark blue, 1/4 cup light blue, 1/4 cup yellow and 1/4 cup black. Reserve 1-1/2 cups white (thin 1-1/4 cups with 4 teaspoons light corn syrup). Prepare disposable decorating bags, separately, with coupler and light pink, dark pink, and white icing. Prepare additional disposable decorating bags, separately, with tip 3 and black, yellow, and blue icing. Position cake on plate. Ice cake sides, background areas and eye smooth with thinned white icing.