Hubert Robert distributes its values across the middle register, creating harmony without high contrast. Hubert Robert balances warm and cool with remarkable evenness, giving the composition its characteristic vibrancy. All colours lean toward grey, building depth through value rather than colour punch. #B4500E functions as the palette's exclamation mark: highest chroma, lowest percentage (3.6%). 59 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Taken together, these qualities constitute Hubert Robert's chromatic voice - distinctive enough to be read across an entire body of work.