The value structure of portrait is mid-key: quiet, controlled, and cohesive. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. At 28.3%, #23211E functions less as a colour accent and more as a complete atmospheric environment. At 2.3%, #AA7042 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The full value range is 55 units: broad enough to build convincing three-dimensional form. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky.