Piet Mondrian is strongly light-biased - shadow is suggested rather than declared. Temperature is cool-dominant, with blue and green families claiming the largest areas. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. At 30.6%, #E3E3E3 functions less as a colour accent and more as a complete atmospheric environment. The most saturated colour, #A20B10, is reserved to 2.0% of the surface, where it acts as a focal punctuation. The full value range is 73 units: broad enough to build convincing three-dimensional form. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. This is palette 6 of Piet Mondrian's sequence - a single chapter in a chromatic story told across many works.