The value structure of icon is mid-key: quiet, controlled, and cohesive. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Colours are neither washed out nor blazing; they occupy the productive middle ground of the chroma scale. The saturated accent, #D66A2F, registers at 12.2% - sparse enough to feel like a deliberate surprise. The value range spans 60 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy.