The value structure of Jean Monchablon is mid-key: quiet, controlled, and cohesive. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. The saturated accent, #DBAF61, registers at 6.7% - sparse enough to feel like a deliberate surprise. At 64 units of value range, the palette has the tonal breadth to sustain complex spatial readings. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Jean Monchablon arrived at this balance through long practice; the palette carries the weight of that experience.