A good easy way to remove yellow bleach stains from clothing is to use some vinegar and apply some vinegar to the yellow bleach stain.
Then let the vinegar sit on the yellow bleach stain for a few minutes and then wash the clothing and the yellow bleach stain should be gone.
If the yellow bleach stain doesn't come out with the vinegar at first then you might need to add some more vinegar to the yellow bleach stain and let it sit for 20 or 30 minutes to allow it time to work on a harder bleach stain.
I've always had good luck with applying some vinegar to the yellow bleach stains on my clothing and it usually washes right out.
You could also soak the clothing in some vinegar and water mixture or add a cup or two of vinegar to your washing machine and then place the clothing in the washing machine with the vinegar and let it sit overnight or for a few hours.
Then the yellow bleach stain should certainly come out.