Mid-key values give William Rimmer its characteristic quietness - nothing blazes, nothing disappears. Yellow, ochre, sienna: warm hues that William Rimmer deploys as the palette's primary energy. Saturation is measured and controlled, giving the palette presence without visual aggression. The saturated accent, #E18340, registers at 5.0% - sparse enough to feel like a deliberate surprise. The palette spans 52 value units: a measured range that delivers coherence over drama. These proportions encode William Rimmer's instinctive sense of how much of each quality the eye can hold.