The value structure of William Merritt Chase is mid-key: quiet, controlled, and cohesive. Temperature is balanced: the palette pits warm earth against cool sky without declaring a winner. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. William Merritt Chase gives 29.2% of the composition to a single #261C1B - a decisive chromatic anchor. The most saturated colour, #818B34, is reserved to 3.4% of the surface, where it acts as a focal punctuation. The value range spans 64 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. This is the light William Merritt Chase preferred, made measurable.