Somegreenfooddyesdon’t getabsorbedbyyourbodyandcanbeexcretedinyoururine, so a greenstreamisnotalwayssomethingtobealarmedabout, especiallyafterSt. Patrick's day.
Now, normally, urineshouldbe a shadeofyellow, anditgetsthisyellowcolorfromthepigmentofurobilin, whichis a productofthebreakdownofheme, anessentialpartofyourblood.