Here are some methods to remove blood stains from colored clothes:

1. Rinse with cold water: Rinse the stain with cold water as soon as possible. Avoid using hot water as it can set the stain.

2. Apply hydrogen peroxide or saliva: Apply a small amount of hydrogen peroxide or saliva to the stain.

3. Use laundry products containing hydrogen peroxide: Use laundry products that contain hydrogen peroxide, such as Clorox 2 for colors, to help remove the stain.

4. Do not use nail polish remover or other flammable solvents: Do not use nail polish remover or other flammable solvents to remove blood stains.

5. Soak in cold water with detergent: Soak the stained item in cold water with a good liquid detergent containing enzymes for 30 to 60 minutes.

6. Use bicarbonate of soda and vinegar: Apply bicarbonate of soda directly to the stain, then spray white vinegar over it and let it sit for 20 to 30 minutes. After that, remove the remaining homemade detergent with a damp cloth.

7. Use ammonia: Mix two tablespoons of ammonia with cold water and apply the mixture to the stain. Let it sit for 10 minutes, then rinse the garment and wash it with your usual detergent.

Note: Blood stains on wool, silk, or other materials that should only be dry cleaned should be treated professionally at a dry cleaner.

Positive: There are several methods to remove blood stains from colored clothes, and most of them use common household items.

Negative: Some methods may not be suitable for certain types of fabrics, and it is important to test them on a small, inconspicuous area of the garment first.

Ingredients or materials: Hydrogen peroxide, saliva, laundry products containing hydrogen peroxide, bicarbonate of soda, vinegar, ammonia, cold water, detergent.