Walter Osborne is built on dark foundations, with values clustered toward shadow. Warm hues command this palette; Walter Osborne favours the reds, oranges, and yellows of firelight and earth. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. Only 2.4% is devoted to #C08F57, yet that small allocation delivers the palette's entire chromatic tension. Spanning 47 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. Together these qualities place Walter Osborne firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. This is palette 6 of Walter Osborne's sequence - a single chapter in a chromatic story told across many works.