Hard boil eggs and allow to cool.
Place medium sized pot on the stove and add 3 cups water.
Add ¼ cup salt and ¼ cup vinegar to water in pot, and bring to a boil.
Choose one of the following for desired color egg and add it to boiling water. (Yellow – turmeric, Blue – red cabbage, Pink – beets, Orange – onion skin
Boil for 15-20 minutes. Remove mixture from stove and allow to cool 20 minutes. While waiting for mixture to cool, you can decorate your eggs with stickers, crayon or rubber bands to make designs. No color will go where you put these marks on your eggs.
Strain mixture with fine mesh strainer. (You can also line strainer with cheesecloth for the turmeric because of the fine powdery nature.) Carefully pour natural dye into quart mason jar and use tongs to slowly lower desired amount of eggs into container. You can add a small amount of water to make sure all eggs are immersed underneath.
Repeat process with other foods for 3 additional colors.
Allow to sit overnight in refrigerator.
Using tongs remove eggs gently and place on cooling rack to dry.
Remove rubber bands or stickers used to make designs.
Ready to eat. Enjoy!