Thomas Theodor Heine sits in the centre of the value range, lending the palette a sense of even, sustained light. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. The highest-chroma note - #C2AA96 - appears at just 2.4%, deployed as a precision accent against the quieter ground. A value spread of 72 units gives the palette both depth and air - shadows are genuinely dark, lights genuinely light. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Thomas Theodor Heine's full range of palettes, group 4 represents one movement in an ongoing chromatic dialogue.