Lionel Noel Royer occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Warm hues command this palette; Lionel Noel Royer favours the reds, oranges, and yellows of firelight and earth. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The saturated accent, #A48E44, registers at 3.3% - sparse enough to feel like a deliberate surprise. A value spread of 64 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. This is the light Lionel Noel Royer preferred, made measurable.