Gustave Courbet is high in key: pale, luminous, and filled with optical air. Blues and teal-greys govern the palette, lending it an aquatic or atmospheric quality. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. Only 3.0% is devoted to #2C1D1A, yet that small allocation delivers the palette's entire chromatic tension. From deepest dark to palest light, the palette traverses 66 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. Palette 1 sits within the larger chromatic argument that Gustave Courbet's complete body of work advances.