Albert Dubois-Pillet distributes its values across the middle register, creating harmony without high contrast. Albert Dubois-Pillet builds on cool foundations: the palette favours the blue-cyan-green arc. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. The most saturated colour, #6D2C16, is reserved to 3.4% of the surface, where it acts as a focal punctuation. The palette spans 53 value units: a measured range that delivers coherence over drama. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. In the context of Albert Dubois-Pillet's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.