Henri-Pierre Danloux is low-key throughout, a quality associated with Nocturnal Sienna - deep shadows dominate the composition. The palette achieves thermal balance - reds and blues, ochres and greens, each holding the other in check. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. #181719 at 38.3% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. The most saturated colour, #6B411D, is reserved to 5.4% of the surface, where it acts as a focal punctuation. The full value range is 60 units: broad enough to build convincing three-dimensional form. Together these qualities place Henri-Pierre Danloux firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. Henri-Pierre Danloux's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.