The value structure of Francesco Sleter is mid-key: quiet, controlled, and cohesive. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. Only 4.1% is devoted to #55351E, yet that small allocation delivers the palette's entire chromatic tension. 55 units of value range underpin the palette's structural clarity: the eye always knows where light falls. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. In the context of Francesco Sleter's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.