Mid-key values give Marie-Philippe Coupin de la Couperie its characteristic quietness - nothing blazes, nothing disappears. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Mid-range chroma keeps the palette grounded - colourful but not strident. The saturated accent, #B0466F, registers at 3.3% - sparse enough to feel like a deliberate surprise. The value range spans 59 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. This is the light Marie-Philippe Coupin de la Couperie preferred, made measurable.