Thomas Birch occupies the comfortable middle of the value scale, avoiding both extremes to hold the eye in a sustained middle grey. Thomas Birch builds on cool foundations: the palette favours the blue-cyan-green arc. The absence of saturated colour is itself an expressive choice: this is a palette of restraint and atmosphere. #CDC49C functions as the palette's exclamation mark: highest chroma, lowest percentage (4.0%). The palette spans 49 value units: a measured range that delivers coherence over drama. High luminosity and cool temperature suggest the plein-air condition: unfiltered daylight and open sky. Taken together, these qualities constitute Thomas Birch's chromatic voice - distinctive enough to be read across an entire body of work.