The value structure of Charles Meryon is mid-key: quiet, controlled, and cohesive. Charles Meryon builds on cool foundations: the palette favours the blue-cyan-green arc. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #77613C delivers the chromatic peak at only 7.6% - a small shot of colour with outsized visual impact. At 46 units across the value scale, the palette keeps contrast readable without letting it dominate. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. This is the light Charles Meryon preferred, made measurable.