dyed one's hair
Me he teñido el pelo de rubio.
I've dyed my hair blonde.
Tom se ha teñido el pelo de negro.
Tom has dyed his hair black.
Tom no podía saber por seguro si Mary se había teñido el pelo o no.
Tom couldn’t know for sure whether Mary had dyed her hair or not.
¿Te has teñido el pelo de rojo alguna vez?
Have you ever dyed your hair red?
I've dyed my hair red.