Peter Paul Rubens is built on dark foundations, with values clustered toward shadow. Temperature reads distinctly warm: the reds and earth tones from Peter Paul Rubens carry the compositional weight. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. 26.7% of the palette belongs to #121213, a concentration that makes it the unmistakable visual centre. Only 3.1% is devoted to #9E613E, yet that small allocation delivers the palette's entire chromatic tension. 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. This is palette 16 of Peter Paul Rubens's sequence - a single chapter in a chromatic story told across many works.