Mid-key values give Josef Ziegler its characteristic quietness - nothing blazes, nothing disappears. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. At 4.5%, #B78C59 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. At 71 units of value range, the palette has the tonal breadth to sustain complex spatial readings. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. These proportions encode Josef Ziegler's instinctive sense of how much of each quality the eye can hold.