 [ Symptoms ] amber colored urine dehydration  i had 3 cups of coffee and a red bull today all in 4 hours the first time i urinated it was an amber color then i got worried and drank a lot of water and now my urine is back to normal light yellow this only happened once after drinking all that caffeine [ Disease ] more concentrated urine in the bladder can be darker as long as your urine returned to a more normal light yellow color after you drank more water there is no need to be concerned