Yes — purple or purplish blotches under the skin of thawed chicken breasts do not automatically mean the chicken is spoiled. Color alone isn’t a reliable spoilage test. USDA notes that color changes can be normal; spoilage is more concerning when there is an off odor, sticky/tacky surface, or sliminess.
The purple areas can be related to bruising or normal pigment/blood-related color variation, particularly around areas under the skin. If the chicken was thawed safely in the refrigerator and otherwise looks and smells normal, you can generally cook it. Throw it out instead if it has a distinctly foul/off smell, feels slimy or unusually sticky, … Read more