The value structure of Ivan Shishkin is mid-key: quiet, controlled, and cohesive. Cool tones set the register here - the blues and greens easily outweigh any warm accents. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. #637533 functions as the palette's exclamation mark: highest chroma, lowest percentage (7.8%). The value range spans 69 units across the palette, providing the full gamut from deep shadow to near-white and ensuring clear tonal hierarchy. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Ivan Shishkin's full range of palettes, group 9 represents one movement in an ongoing chromatic dialogue.