The most essential things in life comes without color. Imagine what water or air be in black or blue or even pink. Color in nature is a byproduct of natural processes. In the world of humans, it is added to break the monotony of a meaningless existence. Color tries to add life into the lifelessness of a rather unreflected life.
While the brilliance of light can best be appreciated when surrounded by darkness, Light does not need the Darkness in order to exist. In fact, Darkness was of the Light but lost its source of brightness.