The value structure of Joseph Wright is mid-key: quiet, controlled, and cohesive. Warmth dominates - the palette of Joseph Wright leans heavily on the yellow-orange-red arc of the colour wheel. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The most saturated colour, #A0744E, is reserved to 4.1% of the surface, where it acts as a focal punctuation. A value spread of 75 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. In the context of Joseph Wright's full range of palettes, group 3 represents one movement in an ongoing chromatic dialogue.