Nicolas Poussin is low-key throughout, a quality associated with Abyssal Sienna - deep shadows dominate the composition. Nicolas Poussin 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. #1E1919 at 25.2% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. The most saturated colour, #DFC082, is reserved to 1.8% of the surface, where it acts as a focal punctuation. 68 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Together these qualities place Nicolas Poussin firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. In the context of Nicolas Poussin's full range of palettes, group 15 represents one movement in an ongoing chromatic dialogue.