Henri Felix Emmanuel Philippoteaux sits in the centre of the value range, lending the palette a sense of even, sustained light. Neither warm nor cool has the upper hand here; the equilibrium between the two generates the palette's visual energy. Colours are neither washed out nor blazing; they occupy the productive middle ground of the chroma scale. At 7.6%, #CBA15C carries the palette's sharpest chromatic charge: an accent that earns its place precisely because it is withheld. The palette spans 47 value units: a measured range that delivers coherence over drama. Together these qualities point to the open-air Impressionist method: recording light rather than local colour. Palette 4 sits within the larger chromatic argument that Henri Felix Emmanuel Philippoteaux's complete body of work advances.