William Shiels keeps values measured and balanced, a hallmark of tonal restraint. William Shiels builds on cool foundations: the palette favours the blue-cyan-green arc. Chroma is moderate: colours carry enough saturation to be read as colour, but the palette stops well short of garish intensity. William Shiels gives 29.5% of the composition to a single #0E0B06 - a decisive chromatic anchor. The saturated accent, #9A751A, registers at 7.0% - sparse enough to feel like a deliberate surprise. At 75 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 William Shiels's complete body of work advances.