Monochrome art and photography enable visual cohesion to support the communication objective. (Black and White can be Cool)

The lone black tree on the gray road and black shrubbery communicate bleak darkness, and the power poles in the distance tell us life still exists, perhaps, in this dark world.

The near-white sky could pass as white, but white or gray still are acceptable in all monochromatic schemes since it is essentially the lightest version of any color.

This photo presents questions. Why is the tree alone since it must have grown much longer than the surrounding growth? What terrible thing happened in this place?