José María Casado del Alisal works almost entirely in the lower half of the value scale, privileging depth over brilliance. Yellow, ochre, sienna: warm hues that José María Casado del Alisal deploys as the palette's primary energy. All colours lean toward grey, building depth through value rather than colour punch. #1C1115 at 33.7% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. #AD7363 functions as the palette's exclamation mark: highest chroma, lowest percentage (1.6%). The value range spans 65 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. In the context of José María Casado del Alisal's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.