The value structure of Francisco Pradilla is mid-key: quiet, controlled, and cohesive. Neither warm nor cool has the upper hand here; the equilibrium between the two generates the palette's visual energy. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. The most saturated colour, #5F2C19, is reserved to 2.5% of the surface, where it acts as a focal punctuation. From deepest dark to palest light, the palette traverses 65 units of the value scale - a span that creates natural depth. This is the light Francisco Pradilla preferred, made measurable.