If you dye your hair black and go swimming does it change color?

i have my hair blue now and i went swimming and it turned green : [[ and i want to dye it black but i want to know if it will like turn some odd color. help me!!!!!!!!

If you dye your hair black and go swimming does it change color?

if you dye it black wait a few days before you swim this way it wont lighten to much the sun may also lighten it a lil but ti shouldnt be any odd colors i had mine black last summer and nothing happened

If you dye your hair black and go swimming does it change color?

Yeah, it will turn a lighter color or green. =[

If you dye your hair black and go swimming does it change color?

1.Why would you have blue hair??Secondly it only happens when you have blonde hair.