[Well, they were both right on that. The water already being orange had given him the idea to use the showers, after all. He even started to feel bad that the Mop was getting blamed.]

[Even when he was getting up from bed. Even when he kicked his crap over the-]

...

[Glad to be out in the hall, there was a quick glance down to make sure his shoes weren't hit. That guilty feeling didn't seem as strong as before now. He's not going to go off and say 'look at that. I guess it was the fake prince.']

If it happened in the showers, then it probably wasn't paint. If it is, or even something else, a few showers should get it off.