# Cyanotype (サイアノタイプ) — image generation prompt # IndexStyle No.75 — https://indexstyle.org/styles/cyanotype # Style descriptors only. Never imitates a specific artist, studio, brand or work. An original image in the visual language of Cyanotype (Technique, Photographic Printing, 1842–). Visual cues: Prussian blue; White object traces; Contact shadows; Chemical unevenness. Composition: Lead with the object's contour; keep generous blue around it. Type and lettering: White or pale letters; add small classification labels. Material feel: One deep blue and the paper's white; don't polish away the exposure marks. Mood: Calm, Technology, Nostalgia. Color cues: #0c3f7a, #2f6fa9, #ecebdc. Constraints: do not imitate, reference or name any specific artist, studio, brand, character or copyrighted work. Produce an original composition that follows the general period style described above. Full design spec: https://indexstyle.org/styles/cyanotype/design.md