Gustave Jacquet occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Yellow, ochre, sienna: warm hues that Gustave Jacquet deploys as the palette's primary energy. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #555F86 functions as the palette's exclamation mark: highest chroma, lowest percentage (2.5%). The palette spans 50 value units: a measured range that delivers coherence over drama. The palette is recognisably Gustave Jacquet's own: particular in its temperature, chroma, and the economy of its brightest note.