Jan Siberechts sits in the centre of the value range, lending the palette a sense of even, sustained light. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Saturation is measured and controlled, giving the palette presence without visual aggression. The saturated accent, #91630C, registers at 5.6% - sparse enough to feel like a deliberate surprise. At 60 units of value range, the palette has the tonal breadth to sustain complex spatial readings. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Jan Siberechts's full range of palettes, group 5 represents one movement in an ongoing chromatic dialogue.