Mid-key values give Theo van Rysselberghe its characteristic quietness - nothing blazes, nothing disappears. Warm hues command this palette; Theo van Rysselberghe favours the reds, oranges, and yellows of firelight and earth. Saturation is measured and controlled, giving the palette presence without visual aggression. #91452C functions as the palette's exclamation mark: highest chroma, lowest percentage (9.3%). From deepest dark to palest light, the palette traverses 63 units of the value scale - a span that creates natural depth. In the context of Theo van Rysselberghe's full range of palettes, group 9 represents one movement in an ongoing chromatic dialogue.