Mid-key values give Peter Jacob Horemans its characteristic quietness - nothing blazes, nothing disappears. Peter Jacob Horemans 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. Only 5.0% is devoted to #67371A, yet that small allocation delivers the palette's entire chromatic tension. A value spread of 76 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. The palette is a signature: Peter Jacob Horemans's particular sense of value, warmth, and colour weight made legible.