Firebelly Toad.. Help!

[LucyHurst]

My firebelly toad has gone brown!!!!! Why on earth is he brown!!!??
He was green last night and now he's brown with just a few green patches left! Help!!!!

 

[Kiarra]

That can happen when they're stressed. Anything change for him recently? Temperature? Might also be a good indication that you need to clean his tank.