The value structure of Gerard de Lairesse is mid-key: quiet, controlled, and cohesive. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. Gerard de Lairesse gives 30.3% of the composition to a single #393A36 - a decisive chromatic anchor. The highest-chroma note - #71563E - appears at just 7.1%, deployed as a precision accent against the quieter ground. Spanning 41 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Gerard de Lairesse's full range of palettes, group 1 represents one movement in an ongoing chromatic dialogue.