Mid-key values give John O'Connor its characteristic quietness - nothing blazes, nothing disappears. John O'Connor builds on cool foundations: the palette favours the blue-cyan-green arc. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #9A6A20 functions as the palette's exclamation mark: highest chroma, lowest percentage (6.0%). From deepest dark to palest light, the palette traverses 56 units of the value scale - a span that creates natural depth. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. The palette is a signature: John O'Connor's particular sense of value, warmth, and colour weight made legible.