Low-key values are the structural spine of Giovanni Antonio Boltraffio, giving it gravity and atmosphere. Warmth dominates - the palette of Giovanni Antonio Boltraffio leans heavily on the yellow-orange-red arc of the colour wheel. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #0F0D0D at 45.8% of the palette: an overwhelming presence that pulls all other colours into its gravitational field. #533A1E functions as the palette's exclamation mark: highest chroma, lowest percentage (8.2%). From deepest dark to palest light, the palette traverses 66 units of the value scale - a span that creates natural depth. Together these qualities place Giovanni Antonio Boltraffio firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. This is palette 2 of Giovanni Antonio Boltraffio's sequence - a single chapter in a chromatic story told across many works.