Thérèse Schwartze is low-key throughout, a quality associated with Nocturnal Umber - deep shadows dominate the composition. Thérèse Schwartze keeps warm and cool in parity, a balance that lends the work a perceptual shimmer. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. #141109 claims 28.9% of the surface, functioning as the work's tonal foundation. At 8.3%, #514216 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. Value range is moderate at 51 units - enough contrast for legibility, not so much as to fragment the tonal unity. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. This is palette 6 of Thérèse Schwartze's sequence - a single chapter in a chromatic story told across many works.