One Day in advance, make royal icing lilacs. Prepare royal icing according to recipe. Divide into three bowls.
Combine Violet and Ivory to get light purple color shown. Combine Violet and Pink to get medium purple color shown. Combine Violet and Royal Blue to get dark purple color shown.
Using royal icing color combinations provided, tint one bowl light purple, one bowl medium purple and one bowl dark purple.
Prepare bags. Prepare four bags with a couplers and tip 59s. Fill three bags separately with light, medium and dark purple royal icing. Fill fourth bag with all three royal icing colors.
Use a flower nail and flower square to pipe four tiny rounded petals. Multiple flowers can fit on one square. Make approximately 30-40 flowers total in varied colors. Place on cake board and let dry overnight, away from sunlight.