The value structure of Thomas Sully is mid-key: quiet, controlled, and cohesive. Temperature reads distinctly warm: the reds and earth tones from Thomas Sully carry the compositional weight. Saturation is measured and controlled, giving the palette presence without visual aggression. At 29.2%, #140C12 functions less as a colour accent and more as a complete atmospheric environment. The highest-chroma note - #89130E - appears at just 5.1%, deployed as a precision accent against the quieter ground. A value spread of 76 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. In the context of Thomas Sully's full range of palettes, group 10 represents one movement in an ongoing chromatic dialogue.