Louis Albert Guislain is high in key: pale, luminous, and filled with optical air. Cool tones set the register here - the blues and greens easily outweigh any warm accents. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. 37.4% of the palette belongs to #E0DEE0, a concentration that makes it the unmistakable visual centre. The highest-chroma note - #B19E48 - appears at just 4.2%, deployed as a precision accent against the quieter ground. Spanning 48 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. Palette 1 sits within the larger chromatic argument that Louis Albert Guislain's complete body of work advances.