Low-key values are the structural spine of Otto Marseus van Schrieck, giving it gravity and atmosphere. Cool hues prevail: blues, greens, and greys anchor the palette's emotional temperature. Every colour is desaturated; the palette proceeds through near-neutrals and gently-coloured greys. 29.2% of the palette belongs to #11110B, a concentration that makes it the unmistakable visual centre. The most saturated colour, #75511E, is reserved to 4.5% of the surface, where it acts as a focal punctuation. From deepest dark to palest light, the palette traverses 56 units of the value scale - a span that creates natural depth. Together these qualities place Otto Marseus van Schrieck firmly in the tonal tradition - concerned with mood and atmosphere rather than chromatic display. In the context of Otto Marseus van Schrieck's full range of palettes, group 5 represents one movement in an ongoing chromatic dialogue.