Mid-key values give Guercino its characteristic quietness - nothing blazes, nothing disappears. Temperature reads distinctly warm: the reds and earth tones from Guercino carry the compositional weight. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. At 3.9%, #893B2C carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. From deepest dark to palest light, the palette traverses 68 units of the value scale - a span that creates natural depth. This is palette 4 of Guercino's sequence - a single chapter in a chromatic story told across many works.