Abbott Handerson Thayer is high in key: pale, luminous, and filled with optical air. Temperature is cool-dominant, with blue and green families claiming the largest areas. All colours lean toward grey, building depth through value rather than colour punch. Abbott Handerson Thayer gives 36.5% of the composition to a single #F0EEE9 - a decisive chromatic anchor. The most saturated colour, #9FA9C1, is reserved to 4.5% of the surface, where it acts as a focal punctuation. Spanning 54 units on the value axis, the palette achieves the balance between tonal flatness and fragmentation. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. Abbott Handerson Thayer's palette 1 carries its own internal logic while remaining in conversation with the artist's broader colour intelligence.