The high-key values of James Webb give it an effulgent, almost bleached quality. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The most saturated colour, #CE9F68, is reserved to 8.9% of the surface, where it acts as a focal punctuation. 53 units of value spread create a palette that is varied but unified - contrast in the service of harmony. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. James Webb's palette 4 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.