Mid-key values give Gilbert Stuart its characteristic quietness - nothing blazes, nothing disappears. Temperature is cool-dominant, with blue and green families claiming the largest areas. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. #453A2A delivers the chromatic peak at only 9.7% - a small shot of colour with outsized visual impact. At 63 units of value range, the palette has the tonal breadth to sustain complex spatial readings. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. Gilbert Stuart's palette 6 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.