Mid-key values give Ion Theodorescu-Sion its characteristic quietness - nothing blazes, nothing disappears. Ion Theodorescu-Sion tilts toward cool - blues and silver-greys carry the structural weight. Muted throughout, the palette achieves its effects through value and temperature rather than chromatic force. #AE6B58 functions as the palette's exclamation mark: highest chroma, lowest percentage (3.4%). The palette spans 44 value units: a measured range that delivers coherence over drama. The mid-to-high key, cool bias, and moderate chroma point to outdoor observation - sky and diffused daylight as the dominant light source. This is palette 4 of Ion Theodorescu-Sion's sequence - a single chapter in a chromatic story told across many works.