Gustave Buchet occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Gustave Buchet tilts toward cool - blues and silver-greys carry the structural weight. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #C6520B functions as the palette's exclamation mark: highest chroma, lowest percentage (6.7%). The full value range is 69 units: broad enough to build convincing three-dimensional form. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. These proportions encode Gustave Buchet's instinctive sense of how much of each quality the eye can hold.