Why are the arts important to humans today? Art is important to us humans because of the colors, and the output of the typical art in the world.

Here is
an interesting take on the importance of art and other non-specialized, non-technical education
by the author of Brave New World, who was greatly concerned about the
direction humanity was taking:

Ours is a world in which
knowledge accumulates and wisdom decays. Inevitably so; for advancing science and technology
require the services of specialists, to each of whom is assigned the job (and it is a
whole-time, a more than whole-time job) of mastering the intricacies of his particular field and
keeping up with the changes in theory and practice brought about by scientific discovery and
technical invention. That such specialists may and often do become highly trained
barbarians has been, for some years past, the growing concern of educators.

                    Aldous Huxley, Censorship and Spoken Literature