The color of normal first urine in the early morning is clear and transparent, light yellow, dark yellow and so on. After a night’s rest, the urine discharged is concentrated urine, so the color of the first urine in the early morning is lighter and deeper, showing a dark yellow. If you drink more water before going to bed, the first urine in the morning can be light yellow, or even transparent and clear urine. These are normal colors and do not need to worry too much. In general, due to the body’s water evaporation in the summer more, the urine color is darker. In winter, the human body evaporates less water, the urine color is lighter, which is also a normal physiological phenomenon. The abnormal color of urine, to the hospital in a timely manner.