Andreas Achenbach sits in the centre of the value range, lending the palette a sense of even, sustained light. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. At 4.3%, #6B6538 carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. At 47 units across the value scale, the palette keeps contrast readable without letting it dominate. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. In the context of Andreas Achenbach's full range of palettes, group 6 represents one movement in an ongoing chromatic dialogue.