Values in Paul Nash rest in the mid-range - neither dramatically lit nor steeped in shadow. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The highest-chroma note - #2F4C7B - appears at just 1.8%, deployed as a precision accent against the quieter ground. 56 units of value range underpin the palette's structural clarity: the eye always knows where light falls. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. The palette is recognisably Paul Nash's own: particular in its temperature, chroma, and the economy of its brightest note.