Marianne North is high in key: pale, luminous, and filled with optical air. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. At 61.0%, #DDD8C8 functions less as a colour accent and more as a complete atmospheric environment. The saturated accent, #747AC4, registers at 1.6% - sparse enough to feel like a deliberate surprise. The value range spans 59 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Marianne North's palette 5 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.