Values in Ambrogio Lorenzetti rest in the mid-range - neither dramatically lit nor steeped in shadow. Ambrogio Lorenzetti orchestrates warmth above all else - reds, ambers, and siennas take the lead. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. The most saturated colour, #E62811, is reserved to 1.6% of the surface, where it acts as a focal punctuation. From deepest dark to palest light, the palette traverses 65 units of the value scale - a span that creates natural depth. These proportions encode Ambrogio Lorenzetti's instinctive sense of how much of each quality the eye can hold.