Jean-Charles Langlois occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Jean-Charles Langlois orchestrates warmth above all else - reds, ambers, and siennas take the lead. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. The highest-chroma note - #241410 - appears at just 15.1%, deployed as a precision accent against the quieter ground. The value range spans 64 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. In the context of Jean-Charles Langlois's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.