What color is acid when you vomit? what is clear vomit supposed to be?

See below: Acid is colorless like water. Vomiting is not normal and there is no color it is supposed to be. It is usually yellowish and may be greenish if there is bile reflux. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine.