Lilla Cabot Perry is low-key throughout, a quality associated with Nocturnal Sienna - deep shadows dominate the composition. Warm and cool tones are held in careful balance - neither family dominates, creating tension and resolution simultaneously. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. The dominant colour, #111314, takes 28.0% of the total area, establishing the overall mood before any other hue is introduced. #D28F51 delivers the chromatic peak at only 2.1% - a small shot of colour with outsized visual impact. At 71 units of value range, the palette has the tonal breadth to sustain complex spatial readings. This tonal restraint is characteristic of the Lilla Cabot Perry approach: colour serves light, not the reverse. In the context of Lilla Cabot Perry's full range of palettes, group 10 represents one movement in an ongoing chromatic dialogue.