This is nothing to worry about.
Bright yellow spots on carpet.
Green or blue stains may indicate sunlight combined with a catalyst.
Put on your gloves and work the solution in with your fingers.
Many have yellow discoloration that appears mainly along the right or left edges of the photos.
Abundunt lactococci and lactobacilli were predominantly isolated from those spots.
The majority of the time this is the cause of the brown or yellow spots or rings that develop on your carpet after you clean.
Acids pink or orange spots on carpets are caused by as little as 1 hydrochloric acid in solution.
Yellow spots occurred on the surface of sliced ham which was made without sodium nitrite and stored at 4 c for 2 to 3 weeks.
I am guessing that this is.
However there may be some other variables at play too.
Recently i have been restoring old family photos that are forty to 100 years old.
Those with much peroxide are bright yellow and exhibit an orange halo which moves outward as the bleaching action.
Do not soak the carpet.
You simply want to get enough on so that it is wet but not soaked.
1 spray on a anti wicking agent like encapuguard green.
Or if it really is yellow 2 apply an acid side product like fab set at 4 to 6 ounces per gallon or citric acid powder at 10 to 12 ounces per.
Place it in a spray bottle or apply it directly to the stain.
Fresh sliced ham without the preservative was spotted with these 127 coccus and 74 bacillus strains and then incubated at 4 c or 20 c.
In general red spots on tan or beige carpet may suggest strong acids.
Then bursh it into the carpet.
Chlorine usually causes yellow spots but will turn some red dyes to green.
Yellow stains indicate reactions caused by strong oxi dizers or bleaches.
I am a basic user of photoshop.
Spots caused by benzoyl peroxide are yellow to orange in color on most carpet pinkish on blue carpet.