Mid-key values give Arthur David McCormick its characteristic quietness - nothing blazes, nothing disappears. Warm hues command this palette; Arthur David McCormick favours the reds, oranges, and yellows of firelight and earth. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. Only 10.3% is devoted to #72402E, yet that small allocation delivers the palette's entire chromatic tension. The value range of 45 units sits in the comfortable middle: enough depth, enough light, neither extreme. In the context of Arthur David McCormick's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.