It's best to use water that is warmer than the eggs for dyeing. Use food grade dyes including commercial egg dyes, liquid food coloring or fruit-drink powders. The longer the egg is left in the dye water, the more brilliant and deeper the hue. Refrigerate eggs immediately after decorating and do not eat eggs that are nonrefrigerated for more than two hours.
A plain, hard-cooked egg often turns into an eye-catching decoration at Easter time - just add a little dye, paint, foil, wax, sequins, even gold trim and gems. [More