Insulin is a naturally occurring hormone made by the pancreas that helps our body use or store the glucose (sugar) it gets from food. For people with diabetes, either the pancreas does not make enough insulin to meet the body's requirements, or the body cannot properly use the insulin that is made.
The yellow color in normal urine comes from a substance known as urochrome. Urochrome is also known as urobilin and is the result of hemoglobin breakdown. Hemoglobin is the protein in red blood cells that enables oxygen to be taken around the body.
Urine is filtered by your kidneys, and stored in your bladder, When the urine is a dark yellow it means that one is not getting enough liquids in their system (meaning water, as other liquids, especially liquor may have to do with the discoloring of the urine in the first place. .When urine is a clear yellow, it is usually due to the intake of a lot of water.