A pioneering work by Venezuelan kinetic artist Carlos Cruz-Diez, *Physichromie No. 655* employs precisely arranged plastic elements and acrylic strips within an aluminum-framed wood panel to explore the autonomous behavior of color in space. As the viewer shifts position, the interplay of light and shadow across the relief structure generates an ever-changing chromatic experience, challenging the notion of color as a fixed property. This work exemplifies Cruz-Diez's lifelong investigation into color as a physical phenomenon that exists independently, evolving in real time through the participation of the viewer.