Help me please!

Selena

I dyed my boyfriend hair in his room at his mom's house and I accidentkt dropped some on the floor and it's not coming off and I'm freaking out I don't know what to do I can get it off I tried to scrub it and it's not working please help me I don't know what to do my boyfriend left to the store and I called to tell him about it he said he will figure something out I feel so bad omg do any of you guys know what I can do to take it off it's black hair dye