Values in Alexandre-Jacques Chantron rest in the mid-range - neither dramatically lit nor steeped in shadow. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The saturated accent, #A97147, registers at 7.5% - sparse enough to feel like a deliberate surprise. The value range spans 56 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Taken together, these qualities constitute Alexandre-Jacques Chantron's chromatic voice - distinctive enough to be read across an entire body of work.