The value structure of John Hoppner is mid-key: quiet, controlled, and cohesive. Cool tones set the register here - the blues and greens easily outweigh any warm accents. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The saturated accent, #91824C, registers at 8.4% - sparse enough to feel like a deliberate surprise. 70 units of value range underpin the palette's structural clarity: the eye always knows where light falls. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. John Hoppner's palette 5 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.