Across the Poster Art Realism movement, certain palette qualities recur - this distillation makes them visible at a glance. The value structure of Poster Art Realism is mid-key: quiet, controlled, and cohesive. Temperature is balanced: the palette pits warm earth against cool sky without declaring a winner. Saturation is measured and controlled, giving the palette presence without visual aggression. The highest-chroma note - #B04824 - appears at just 3.3%, deployed as a precision accent against the quieter ground. From deepest dark to palest light, the palette traverses 56 units of the value scale - a span that creates natural depth. Together these qualities point to the open-air Impressionist method: recording light rather than local colour. Applied to contemporary work, these proportions immediately evoke the Poster Art Realism register.