Low-key values are the structural spine of Caravaggio, giving it gravity and atmosphere. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. #120D0C claims 33.7% of the surface, functioning as the work's tonal foundation. The saturated accent, #9B5735, registers at 5.2% - sparse enough to feel like a deliberate surprise. 71 units of value range underpin the palette's structural clarity: the eye always knows where light falls. This tonal restraint is characteristic of the Caravaggio approach: colour serves light, not the reverse. This is palette 5 of Caravaggio's sequence - a single chapter in a chromatic story told across many works.