Maria van Oosterwijck dwells firmly in the shadows, with no more than a whisper of light. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. The dominant colour, #131512, takes 41.0% of the total area, establishing the overall mood before any other hue is introduced. At 2.5%, #6A311C carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. 55 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Together these qualities place Maria van Oosterwijck firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. This is palette 4 of Maria van Oosterwijck's sequence - a single chapter in a chromatic story told across many works.