Ottone Rosai keeps values measured and balanced, a hallmark of tonal restraint. Temperature is cool-dominant, with blue and green families claiming the largest areas. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #C99E51 functions as the palette's exclamation mark: highest chroma, lowest percentage (5.1%). At 61 units of value range, the palette has the tonal breadth to sustain complex spatial readings. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Ottone Rosai's full range of palettes, group 1 represents one movement in an ongoing chromatic dialogue.