Loved the idea! These eggs turned beautiful; subtle pastel colors without any artificial food colors. After letting them dry, I rubbed them with oil for a gorgeous sheen. This was so much fun, I will never use food colors again on my easter eggs.
4/12/2012 UPDATE: I used 3 tsp tumeric in a cup of hot water with one tsp vinagre for yellow, the green is made with spinach water, the pink is made with beet juice. The purple egg was dipped in all 3 colors, back and forth. It takes a while for the colors to develop, don't be in a hurry when you make them but the endresult is really worth it.