Mid-key values give Thomas Alexander Ferguson Graham its characteristic quietness - nothing blazes, nothing disappears. Thomas Alexander Ferguson Graham tilts toward cool - blues and silver-greys carry the structural weight. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. Only 5.3% is devoted to #5D3618, yet that small allocation delivers the palette's entire chromatic tension. 61 units of value range underpin the palette's structural clarity: the eye always knows where light falls. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Thomas Alexander Ferguson Graham arrived at this balance through long practice; the palette carries the weight of that experience.