The value structure of Rudolf Bauer is mid-key: quiet, controlled, and cohesive. Rudolf Bauer 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. The saturated accent, #9F8456, registers at 2.8% - sparse enough to feel like a deliberate surprise. 51 units of value spread create a palette that is varied but unified - contrast in the service of harmony. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. Rudolf Bauer's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.