Claudio Coello dwells firmly in the shadows, with no more than a whisper of 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. #292823 at 27.6% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. The saturated accent, #5F452D, registers at 5.0% - sparse enough to feel like a deliberate surprise. Spanning 54 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. Claudio Coello's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.