[Delacroix's] greatest originality, however, may lie less in the freedom and breadth of his touch than in the way he juxta- posed colors in blocks of mutually intensifying complemen- taries, such as vermilion and blue-green or violet and gold, arranged in large sonorous chords or, sometimes, in small, independent, “divided” strokes. These techniques and their effects had a profound influence on the Impressionists and Post-Impressionists