Mid-key values give interior its characteristic quietness - nothing blazes, nothing disappears. Heat pervades this palette; warm chromatic identities outweigh cool ones at almost every weight. Saturation is measured and controlled, giving the palette presence without visual aggression. At 8.3%, #7F3019 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The full value range is 55 units: broad enough to build convincing three-dimensional form.