Promptkoi

Risograph City Skyline Poster

Stable Diffusion
By Varun Sharma Tested with Stable Diffusion SDXL 1.0

Risograph City Skyline Poster is an SDXL 1.0 prompt for a three-ink riso print at 2:3, with an empty bottom third reserved for typesetting. Asking for misregistration by name is what produces the real riso look rather than flat colour with grain applied over it.

Last tested: July 2026 with Stable Diffusion SDXL 1.0

Part of the Stable Diffusion prompt library · see more vintage prompts .

Risograph poster of a city skyline in pink, teal and black inks with visible misregistration
Risograph City Skyline Poster — Stable Diffusion SDXL 1.0, Aspect ratio 2:3

Prompt

A risograph poster of a city skyline at dusk printed in three spot inks, fluorescent pink, teal and black, with deliberate misregistration where the layers overlap and the inks multiply into new tones, coarse grain and faint roller streaks across the flat areas, buildings reduced to simple stacked rectangles of varied height, a full circle sun sitting low behind them, a generous flat empty margin across the bottom third with no text, matte uncoated paper texture

Negative prompt

blurry, low quality, smooth gradients, photorealistic, glossy finish, perfect registration, digital vector, cmyk photo print, text, letters, watermark, detailed windows, busy composition

Settings

Model
Stable Diffusion SDXL 1.0
Aspect ratio
2:3
Steps
30
CFG scale
6.5
Sampler
DPM++ 2M Karras

How to use this prompt

Misregistration is the signature of the process, and it has to be requested explicitly — "riso style" on its own returns clean flat colour with a grain filter, which fools nobody who has held a riso print. Naming exactly three spot inks and stating that they "multiply into new tones" where they overlap tells SDXL to build the image in layers rather than mixing a fourth colour on a palette. Keep the buildings as plain rectangles: detailed windows attract dense speckle and the overlaps stop reading. The blank bottom third is the safe place for your own title type.

Variations to try

  • Two-ink version in fluorescent orange and blue only, with heavier overlap in the sky
  • Swap the skyline for a mountain range and keep the same circle sun and blank lower margin
vintage abstract wall art illustration

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What to do next

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For developers — copy this prompt as JSON
{
  "title": "Risograph City Skyline Poster",
  "prompt": "A risograph poster of a city skyline at dusk printed in three spot inks, fluorescent pink, teal and black, with deliberate misregistration where the layers overlap and the inks multiply into new tones, coarse grain and faint roller streaks across the flat areas, buildings reduced to simple stacked rectangles of varied height, a full circle sun sitting low behind them, a generous flat empty margin across the bottom third with no text, matte uncoated paper texture",
  "negative_prompt": "blurry, low quality, smooth gradients, photorealistic, glossy finish, perfect registration, digital vector, cmyk photo print, text, letters, watermark, detailed windows, busy composition",
  "model": "Stable Diffusion",
  "model_version": "SDXL 1.0",
  "settings": {
    "aspect_ratio": "2:3",
    "steps": 30,
    "cfg": 6.5,
    "sampler": "DPM++ 2M Karras"
  },
  "style_tags": [
    "vintage",
    "abstract"
  ],
  "use_case_tags": [
    "wall-art",
    "illustration"
  ],
  "source_url": "https://promptkoi.com/prompts/stable-diffusion/risograph-city-skyline-poster/"
}

The whole library is available as an open JSON dataset · developer docs.