Guercino sits in the centre of the value range, lending the palette a sense of even, sustained light. Heat pervades this palette; warm chromatic identities outweigh cool ones at almost every weight. Saturation is deliberately withheld - the beauty here lies in the near-monochromatic gradations rather than colour difference. #613A28 delivers the chromatic peak at only 7.8% - a small shot of colour with outsized visual impact. The full value range is 64 units: broad enough to build convincing three-dimensional form. Taken together, these qualities constitute Guercino's chromatic voice - distinctive enough to be read across an entire body of work.