Adriaan de Lelie occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. A distinctly cool atmosphere runs through this palette: sky, water, and mist given colour form. All colours lean toward grey, building depth through value rather than colour punch. Only 5.3% is devoted to #8E613F, yet that small allocation delivers the palette's entire chromatic tension. From deepest dark to palest light, the palette traverses 57 units of the value scale - a span that creates natural depth. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. In the context of Adriaan de Lelie's full range of palettes, group 1 represents one movement in an ongoing chromatic dialogue.