Rudolf Ribarz is high-key - luminous, open, and weighted toward light. Temperature is cool-dominant, with blue and green families claiming the largest areas. All colours lean toward grey, building depth through value rather than colour punch. #D2CCBC claims 26.5% of the surface, functioning as the work's tonal foundation. The highest-chroma note - #433425 - appears at just 5.2%, deployed as a precision accent against the quieter ground. At 66 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. Palette 1 sits within the larger chromatic argument that Rudolf Ribarz's complete body of work advances.