The high-key values of Maerten van Heemskerck give it an effulgent, almost bleached quality. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. The highest-chroma note - #4D3A28 - appears at just 4.3%, deployed as a precision accent against the quieter ground. A value spread of 68 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. Maerten van Heemskerck's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.