The value structure of Prospero Piatti is mid-key: quiet, controlled, and cohesive. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. The saturated accent, #63453A, registers at 10.7% - sparse enough to feel like a deliberate surprise. The full value range is 70 units: broad enough to build convincing three-dimensional form. Palette 1 sits within the larger chromatic argument that Prospero Piatti's complete body of work advances.