Henri-Pierre Picou is high-key - luminous, open, and weighted toward light. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. At 3.9%, #369685 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The value range of 50 units sits in the comfortable middle: enough depth, enough light, neither extreme. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. This is palette 1 of Henri-Pierre Picou's sequence - a single chapter in a chromatic story told across many works.