Low-key values are the structural spine of Rudolf Ernst, giving it gravity and atmosphere. Temperature reads distinctly warm: the reds and earth tones from Rudolf Ernst carry the compositional weight. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. #CEA15A functions as the palette's exclamation mark: highest chroma, lowest percentage (2.5%). At 66 units of value range, the palette has the tonal breadth to sustain complex spatial readings. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. Rudolf Ernst's palette 10 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.