Tint icing and prepare decorating bags. Combine Kelly Green with Sky Blue for green shown. Combine Sky Blue with Kelly Green for teal shown. Combine Pink with Sky Blue for pink shown. Combine Violet with Sky Blue for violet shown. Divide icing and tint 1 1/2 cups each yellow, green, blue, pink and violet. Place icings separately in decorating bags with tips 1M (yellow icing), 4B (violet icing), 1A (light green icing) 12 (yellow icing), 21 (teal icing) and 32 (pink icing).