Wilhelm Trübner is built on dark foundations, with values clustered toward shadow. Yellow, ochre, sienna: warm hues that Wilhelm Trübner deploys as the palette's primary energy. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. Wilhelm Trübner gives 27.2% of the composition to a single #121112 - a decisive chromatic anchor. The highest-chroma note - #632E22 - appears at just 2.3%, deployed as a precision accent against the quieter ground. Value range is moderate at 51 units - enough contrast for legibility, not so much as to fragment the tonal unity. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. Palette 6 sits within the larger chromatic argument that Wilhelm Trübner's complete body of work advances.