The value structure of Gustave Courbet is mid-key: quiet, controlled, and cohesive. Temperature reads distinctly warm: the reds and earth tones from Gustave Courbet carry the compositional weight. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The saturated accent, #39241B, registers at 8.8% - sparse enough to feel like a deliberate surprise. A value spread of 63 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. This is palette 15 of Gustave Courbet's sequence - a single chapter in a chromatic story told across many works.