The value structure of Thomas Jones Barker is mid-key: quiet, controlled, and cohesive. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. The most saturated colour, #D1A65B, is reserved to 5.2% of the surface, where it acts as a focal punctuation. A value spread of 60 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Thomas Jones Barker's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.