Placido Costanzi occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Warm hues command this palette; Placido Costanzi favours the reds, oranges, and yellows of firelight and earth. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. Only 11.5% is devoted to #7D5324, yet that small allocation delivers the palette's entire chromatic tension. The value range spans 56 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. Palette 4 sits within the larger chromatic argument that Placido Costanzi's complete body of work advances.