Francesco Didioni occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Francesco Didioni orchestrates warmth above all else - reds, ambers, and siennas take the lead. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. #201917 at 28.3% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. #804225 functions as the palette's exclamation mark: highest chroma, lowest percentage (4.3%). Spanning 53 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. Palette 4 sits within the larger chromatic argument that Francesco Didioni's complete body of work advances.