Which element does the DaDa style most notably lack?

The DaDa style is primarily characterized by its anti-establishment attitude and a rejection of conventional aesthetics and rational thought. Its creators sought to challenge the traditional norms of art, often producing works that were nonsensical or absurd. This lack of rationality is a defining feature of the movement, as DaDa artists believed that the backdrop of World War I had rendered logic and reason irrelevant and insufficient in expressing the complexities of human experience.

While emotion can be present in DaDa works, they typically explore or subvert emotional expression rather than adhering to conventional emotional responses. Color can certainly be used in DaDa art, as seen in some collage and assemblage techniques. Innovation is intrinsic to the movement as it birthed new forms and methods of artistic expression, such as readymades and chance operations, which were innovative departures from previously established art forms. The focus, therefore, on the total lack of rationality underscores the essence of the DaDa movement.