Willem Kalf works almost entirely in the lower half of the value scale, privileging depth over brilliance. Heat pervades this palette; warm chromatic identities outweigh cool ones at almost every weight. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. 58.0% of the palette belongs to #231A16, a concentration that makes it the unmistakable visual centre. The saturated accent, #552D1F, registers at 4.7% - sparse enough to feel like a deliberate surprise. 70 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Together these qualities place Willem Kalf firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. In the context of Willem Kalf's full range of palettes, group 2 represents one movement in an ongoing chromatic dialogue.