Values in Marianne North tilt decisively toward white, giving the palette its luminous character. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. All colours lean toward grey, building depth through value rather than colour punch. The most saturated colour, #7F8B57, is reserved to 9.8% of the surface, where it acts as a focal punctuation. Spanning 47 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Palette 1 sits within the larger chromatic argument that Marianne North's complete body of work advances.