After you have washed gently enough you place the khaki pants in another basin of clean warm water. To increase the chances of dyeing the pants evenly treat the bleach stains with a color remover first.
Technically you do not have a stain.
How to get bleach stains out of khaki pants. Check the laundry aisle for this product. However you should apply very little effort as compared to the first wash. Rinse the area with cold water to remove any excess bleach create a thick paste by mixing together some baking soda and water spread this over the stain evenly leave to dry and then brush off gently you may want to use an old toothbrush.
Since the soap has no oil in it the stain and soap should wash out in the laundry cycle. This time again you wash. You have a lack of dye removed by the bleach.
In the future only use the bleach port on your washer and make sure it is clean so that no bleach can drip when you don t want it to. This is quite baffling. You only hope is to turn these pants into work cloths.
Bleach stains on clothes are actually dye free area where bleach has removed the color from the fabric. The fading you describe usually is caused by bleach contact and stain out does not contain any bleach. A fabric marker pen can essentially be used to colour in bleach stains on clothes.
So this type of stains are permanent and there is no. I have also seen this when clorox 2 stain remover color booster is left on the item and dries. If khaki garments have unstable dyes and use a detergent with optical brighteners you will get spots that reflect light differently and can even look pink or blue.
Wear old clothing and rubber or plastic gloves while dyeing your pants as the dye can stain your clothing and hands. Simply scrub the stains out use an old toothbrush and scrub the stain with ivory soap and a little water then wash as usual. This is the result of the brightening agent which helps make the item look brighter is set in that spot.
Put a few drops on a pad and then rub the fabric gently until the colour begins to spread out and cover the bleach stain. You just need to find one that matches the colour of the garment exactly. First you mix a mild detergent in a basin of water and second you place your khaki pant in the mixture and then you wash gently.