The terminology, perceptual, and accessibility gaps between typographers and developers — and where paragraf sits §0 — Hook A typographer says: "the colour is unbalanced." A developer opens the style sheet and adjusts the colors on the page. The paragraph is still wrong. Neither person made a mistake. "Colour" in typesetting means the visual density of a paragraph (also called grey ) — how evenly ink is distributed across the lines. It has nothing to do with hue. The developer heard the correct English word and acted on a reasonable interpretation. The typographer used the correct technical term and assumed it would be understood. The conversation failed before it began. This is the first gap: terminology. Two disciplines developed precise vocabularies for the same domain, independently, and the words do not always map to each other. The second gap is deeper.…