O. Louis Guglielmi occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Cool tones set the register here - the blues and greens easily outweigh any warm accents. Mid-saturation across the board: the palette has colour character without chromatic excess. #934E2E functions as the palette's exclamation mark: highest chroma, lowest percentage (10.7%). The value range spans 56 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. O. Louis Guglielmi arrived at this balance through long practice; the palette carries the weight of that experience.