Values in Edward Henry Potthast rest in the mid-range - neither dramatically lit nor steeped in shadow. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. Chroma is held at a comfortable level - distinct colours, but no single hue is allowed to overwhelm. The most saturated colour, #ECDCB0, is reserved to 4.1% of the surface, where it acts as a focal punctuation. At 62 units of value range, the palette has the tonal breadth to sustain complex spatial readings. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Edward Henry Potthast's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.