Rinse the stained area with cold water immediately
Blot the area with a clean white cloth
Apply a fabric-safe color remover or dye touch-up if the item is colorfast
Use a fabric marker or matching textile dye to recolor the spot
For white fabrics, use bleach to even out the color if appropriate
Wash the item according to its care label after treatment
Repeat color restoration as needed until the stain blends in
If the fabric is delicate or valuable, take it to a professional cleaner or tailor