For a long time, sculptural creation has centered on volume and mass, while color remained a marginal, decorative element. With the development of modern visual culture and advances in material technology, color has transcended this subordinate role and emerged as a core language for spatial intervention and the reconfiguration of sculptural form. This paper challenges the conventional notion that "sculpture equals monochrome" by tracing the conceptual shift from the classical "myth of whiteness" to the modernist emphasis on material authenticity. Drawing on the practices of artists such as Anish Kapoor and Anthony Caro, it examines the dual function of color as both an aesthetic medium and a formal device. It argues that, through the interaction of physical properties and psychological perception, color can dissolve material heaviness and reconstruct sculptural narrative logic. The awakening of color language thus marks a key transition from static objecthood to dynamic spatial experience.