The value structure of Henry Wallis is mid-key: quiet, controlled, and cohesive. Warm and cool tones are held in careful balance - neither family dominates, creating tension and resolution simultaneously. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The most saturated colour, #DEE3F0, is reserved to 3.3% of the surface, where it acts as a focal punctuation. At 67 units of value range, the palette has the tonal breadth to sustain complex spatial readings. The palette is recognisably Henry Wallis's own: particular in its temperature, chroma, and the economy of its brightest note.