Low-key values are the structural spine of Willem de Poorter, giving it gravity and atmosphere. Willem de Poorter orchestrates warmth above all else - reds, ambers, and siennas take the lead. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #2E261C at 48.4% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. The highest-chroma note - #5F4725 - appears at just 2.7%, deployed as a precision accent against the quieter ground. A value spread of 60 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. Willem de Poorter's palette 2 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.