Low-key values are the structural spine of Frans Hals, giving it gravity and atmosphere. The dominant temperature is warm, with earth tones and fire-hues setting the emotional key. Chroma hovers near zero; colour declares itself through subtle shifts in hue rather than outright saturation. #151313 claims 34.5% of the surface, functioning as the work's tonal foundation. The most saturated colour, #D6AB81, is reserved to 2.2% of the surface, where it acts as a focal punctuation. 69 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Together these qualities place Frans Hals firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. In the context of Frans Hals's full range of palettes, group 13 represents one movement in an ongoing chromatic dialogue.