The value structure of Joshua Reynolds is mid-key: quiet, controlled, and cohesive. Warm and cool are kept in productive tension, creating the kind of chromatic harmony that sustains the eye. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #171416 claims 28.8% of the surface, functioning as the work's tonal foundation. The saturated accent, #D8C8A4, registers at 4.5% - sparse enough to feel like a deliberate surprise. The full value range is 64 units: broad enough to build convincing three-dimensional form. Joshua Reynolds's palette 13 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.