Values in Hubert Robert tilt decisively toward white, giving the palette its luminous character. Hubert Robert builds on cool foundations: the palette favours the blue-cyan-green arc. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. Only 8.7% is devoted to #C4AA78, yet that small allocation delivers the palette's entire chromatic tension. The full value range is 60 units: broad enough to build convincing three-dimensional form. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Hubert Robert's palette 1 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.