The value structure of Francesco Botticini is mid-key: quiet, controlled, and cohesive. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. Chroma is held at a comfortable level - distinct colours, but no single hue is allowed to overwhelm. #58370C delivers the chromatic peak at only 13.0% - a small shot of colour with outsized visual impact. From deepest dark to palest light, the palette traverses 70 units of the value scale - a span that creates natural depth. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. In the context of Francesco Botticini's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.