Juan de Dos Ingunza y Basualdo is built on dark foundations, with values clustered toward shadow. Juan de Dos Ingunza y Basualdo balances warm and cool with remarkable evenness, giving the composition its characteristic vibrancy. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. A single dominant - #1F1F24 at 29.2% - sets the character of the whole composition. The highest-chroma note - #8C6348 - appears at just 4.5%, deployed as a precision accent against the quieter ground. Value range is moderate at 49 units - enough contrast for legibility, not so much as to fragment the tonal unity. The combination of low values, muted chroma, and compressed range is the signature of the Tonalist mode - painting as atmosphere. This is palette 1 of Juan de Dos Ingunza y Basualdo's sequence - a single chapter in a chromatic story told across many works.