Ice cake. Divide icing into four equal portions. Tint icing pale, light, medium and dark peach (use more creamy peach than pink).
Use tip 2A, a cut disposable decorating bag and dark peach icing to pipe a band, 1 1/4 in. high, from bottom of cake. Use medium peach icing to pipe the next band, 1 1/4 in. high. Repeat to pipe a light and pale peach band, each 1 1/4 in. high. Use spatula and pale peach icing to ice top of cake. Use spatula to smooth and blend colors together on cake sides. Position cake on cake pedestal.