William Merritt Chase occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Warmth dominates - the palette of William Merritt Chase leans heavily on the yellow-orange-red arc of the colour wheel. Saturation is measured and controlled, giving the palette presence without visual aggression. The most saturated colour, #582918, is reserved to 9.9% of the surface, where it acts as a focal punctuation. A value spread of 59 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. Palette 21 sits within the larger chromatic argument that William Merritt Chase's complete body of work advances.