The value structure of Frans Pourbus the Elder is mid-key: quiet, controlled, and cohesive. Warm and cool tones are held in careful balance - neither family dominates, creating tension and resolution simultaneously. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #633B23 functions as the palette's exclamation mark: highest chroma, lowest percentage (13.5%). The value range spans 55 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. The palette is a signature: Frans Pourbus the Elder's particular sense of value, warmth, and colour weight made legible.