Rosa Bonheur works in the upper reaches of the value scale, creating an atmosphere of brightness and expansiveness. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #F0E2AA delivers the chromatic peak at only 3.9% - a small shot of colour with outsized visual impact. The value range spans 65 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. In the context of Rosa Bonheur's full range of palettes, group 1 represents one movement in an ongoing chromatic dialogue.