Visual Prompt Library sieureast

Photo + Doodle

Playful Marker Grounding Poster Style

Hand-drawnMascot

A naive hand-drawn poster style built from cream paper margins, loose marker-scribble color blocks, thick uneven keylines, oversized casual lettering, and simple mascot-like figures arranged with clear public-service poster hierarchy.

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Final prompt

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Full style rules

Style anchors

  • Cream poster-paper border with the artwork sitting inside a slightly inset field rather than bleeding to the edge.
  • Loose childlike marker-scribble background blocks, mostly bright sky cyan and sour lime green, with uneven white gaps.
  • Flat illustration with no realistic depth, no cast shadows, no gradients, and no polished vector smoothing.
  • Thick imperfect black or dark-brown outlines with variable pressure, rounded ends, and visibly wobbly hand-drawn edges.
  • One oversized simple subject dominates the lower middle of the poster, with tiny supporting props or characters as scale contrast.
  • Large hand-lettered headline at the top, irregular baseline, chunky brush-marker shapes, and dense casual spacing.
  • Small secondary text sits in a corner as a compact block, often over a dark marker swash or rough underline.
  • Palette is intentionally limited: cream base, cyan field, lime field, dark brown type, black keylines, white character fill, and one or two candy accents.
  • Decorative grammar uses tiny flowers, grass ticks, curved motion marks, small stars, butterflies, and doodle dots, never dense scenery.
  • Mood is playful, naive, poster-like, and lightly absurd, with a handmade school-notice energy.

Do

  • Use irregular marker lettering and chunky brush text.
  • Let scribble fills spill unevenly and leave small uncolored gaps.
  • Make the main figure or object simple, white-filled, and outlined with a confident imperfect line.
  • Keep background details symbolic and childlike: dots, tiny flowers, ticks, sparks, motion lines.
  • Change the subject, action, text, setting, and story premise for every reuse.

Avoid

  • No photorealism, 3D render, gradients, polished vector icons, glossy effects, or cinematic lighting.
  • No dense city scenes, product ad clutter, price stickers, UI elements, or complex perspective.
  • No exact source text, source date, source action, dog, butterfly placement, or white figure touching grass.
  • No watermarks, signatures, QR codes, usernames, app marks, or brand logos.

Negative prompt

photorealistic, 3D render, vector-perfect, glossy, gradient background, cinematic lighting, realistic anatomy, dense scenery, commercial product clutter, UI screenshot, exact source slogan, Chinese source title, English source slogan, date text from source, dog, butterfly in upper right, white figure touching grass, watermark, signature, logo, QR code, username, platform mark