Mid-key values give Thomas de Keyser its characteristic quietness - nothing blazes, nothing disappears. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. The most saturated colour, #937C49, is reserved to 3.8% of the surface, where it acts as a focal punctuation. From deepest dark to palest light, the palette traverses 82 units of the value scale - a span that creates natural depth. The palette has the character of outdoor light: cool, mid-bright, with colour rendered faithfully rather than expressively. This is palette 1 of Thomas de Keyser's sequence - a single chapter in a chromatic story told across many works.