The value structure of Jan van Kessel the Elder is mid-key: quiet, controlled, and cohesive. Neither warm nor cool has the upper hand here; the equilibrium between the two generates the palette's visual energy. All colours lean toward grey, building depth through value rather than colour punch. #A58651 functions as the palette's exclamation mark: highest chroma, lowest percentage (7.5%). Value range is moderate at 41 units - enough contrast for legibility, not so much as to fragment the tonal unity. In the context of Jan van Kessel the Elder's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.