Values in Eugeniusz Zak rest in the mid-range - neither dramatically lit nor steeped in shadow. The palette achieves thermal balance - reds and blues, ochres and greens, each holding the other in check. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. A single dominant - #2A2921 at 29.5% - sets the character of the whole composition. The most saturated colour, #E2D3B9, is reserved to 1.8% of the surface, where it acts as a focal punctuation. The full value range is 59 units: broad enough to build convincing three-dimensional form. In the context of Eugeniusz Zak's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.