The value structure of Guido Reni is mid-key: quiet, controlled, and cohesive. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. The most saturated colour, #5A3428, is reserved to 7.3% of the surface, where it acts as a focal punctuation. The value range spans 65 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. Palette 10 sits within the larger chromatic argument that Guido Reni's complete body of work advances.