Mid-key values give Andrea del Castagno its characteristic quietness - nothing blazes, nothing disappears. Temperature reads distinctly warm: the reds and earth tones from Andrea del Castagno carry the compositional weight. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. #BC8D56 is not a small accent - at 4.2% it qualifies as a major presence and gives the palette its chromatic identity. The full value range is 64 units: broad enough to build convincing three-dimensional form. Andrea del Castagno's palette 3 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.