Luca Signorelli keeps values measured and balanced, a hallmark of tonal restraint. Temperature is cool-dominant, with blue and green families claiming the largest areas. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #303427 claims 26.6% of the surface, functioning as the work's tonal foundation. At 3.1%, #AF8B46 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The palette spans 54 value units: a measured range that delivers coherence over drama. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Palette 6 sits within the larger chromatic argument that Luca Signorelli's complete body of work advances.