Altered Facial Color: Five colorings that indicate certain illnesses. When healthy, the skin on the face usually has a slight hint of pink.
Yellow spots are probably the most common and is caused by liver disease or bile disease. Large areas of blue skin discoloration are cyanosis or “blueness” If the blue color occurs acutely, it can be an indication of a life-threatening condition. A red rash is a sign of a heart defect or varicose veins (varicosis)