01 -
Place the eggs in a saucepan and cover with water by 1 inch. Bring to a gentle boil, cover, turn off the heat, and let stand for 10-12 minutes.
02 -
Transfer the eggs to an ice bath for at least 10 minutes. Peel carefully, then cut each egg in half lengthwise.
03 -
Scoop the yolks into a bowl. Mash with mayonnaise, Dijon mustard, vinegar or pickle juice, paprika, salt, pepper, and chives until smooth.
04 -
Set out 4 cups or small bowls. Add 1 cup water, 1 teaspoon vinegar, and a few drops of one food coloring shade to each cup. Stir well.
05 -
Lower the egg white halves into the dye baths. Soak for 4-8 minutes, checking often, until the colors are pastel and even.
06 -
Remove the whites with a spoon and drain cut-side down on paper towels. Pat dry, then pipe or spoon the yolk filling into each cup.
07 -
Dust lightly with paprika and sprinkle with chives. Chill until serving, and do not leave at room temperature for more than 2 hours.