Mid-key values give Theodoor van Thulden its characteristic quietness - nothing blazes, nothing disappears. Warmth dominates - the palette of Theodoor van Thulden leans heavily on the yellow-orange-red arc of the colour wheel. Chroma is kept low across all colours, producing the soft, enveloping quality that characterises tonal painting. The most saturated colour, #CFA16B, is reserved to 4.7% of the surface, where it acts as a focal punctuation. 61 units of value range underpin the palette's structural clarity: the eye always knows where light falls. Taken together, these qualities constitute Theodoor van Thulden's chromatic voice - distinctive enough to be read across an entire body of work.