Francesco Hayez is low-key throughout, a quality associated with Nocturnal Sienna - deep shadows dominate the composition. Temperature reads distinctly warm: the reds and earth tones from Francesco Hayez carry the compositional weight. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. Francesco Hayez gives 33.2% of the composition to a single #252323 - a decisive chromatic anchor. The most saturated colour, #CB9463, is reserved to 1.4% of the surface, where it acts as a focal punctuation. 64 units of value range underpin the palette's structural clarity: the eye always knows where light falls. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. Francesco Hayez's palette 10 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.