Archibald Thorburn sits in the centre of the value range, lending the palette a sense of even, sustained light. Temperature is balanced: the palette pits warm earth against cool sky without declaring a winner. All colours lean toward grey, building depth through value rather than colour punch. At 9.6%, #A35C1B carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. A value spread of 59 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. This is the light Archibald Thorburn preferred, made measurable.