The value structure of Otto Bache is mid-key: quiet, controlled, and cohesive. Warm hues command this palette; Otto Bache favours the reds, oranges, and yellows of firelight and earth. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #D2B389 delivers the chromatic peak at only 10.0% - a small shot of colour with outsized visual impact. At 63 units of value range, the palette has the tonal breadth to sustain complex spatial readings. The palette is recognisably Otto Bache's own: particular in its temperature, chroma, and the economy of its brightest note.