Promptkoi

Coastal Cloud City Concept Art

Flux
By Varun Sharma Tested with Flux Flux.1 dev

Coastal Cloud City Concept Art is a tested Flux Flux.1 dev prompt for concept art work. It runs at Flux Flux.1 dev · Aspect ratio 16:9 · Steps 28 · CFG scale 3.5, and ships below with the exact prompt text, usage notes, and 2 pasteable variations.

Last tested: July 2026 with Flux Flux.1 dev

Part of the Flux prompt library · see more fantasy prompts .

A tiered white cloud city on a coastal cliff at dawn with skybridges and tiny figures for scale
Coastal Cloud City Concept Art — Flux Flux.1 dev, Aspect ratio 16:9

Prompt

Coastal cloud city concept art — tiered white towers rising out of a soft sea of low cloud that pours over a cliff edge into the ocean below, warm dawn light catching the rooftops, tiny figures and slender skybridges for scale, distant sailing craft on the water, painterly matte-painting finish, cinematic wide establishing shot

Settings

Model
Flux Flux.1 dev
Aspect ratio
16:9
Steps
28
CFG scale
3.5

How to use this prompt

The scale trick is the whole image — "tiny figures and slender skybridges" beside the towers is what makes the city read as vast rather than as a model on a table, so never drop that clause. The cloud "pouring over the cliff edge" does two jobs: it hides the join between city and sea, which models render badly, and it gives the eye a sense of altitude. Ask for dawn light, not noon — a low warm sun rakes across the tiers and separates them, where overhead light flattens the whole city into one white mass. If it comes back too clean and CG, add "visible brush texture, painted matte-painting" to push it toward concept art rather than a render.

Variations to try

  • Night version — "bioluminescent blue lighting, lit windows, a low moon" for a calmer, mysterious mood
  • Storm approach — "dark cloud wall rolling in from the sea, dramatic god rays" for a tenser establishing shot
fantasy cinematic concept art wallpaper

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What to do next

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For developers — copy this prompt as JSON
{
  "title": "Coastal Cloud City Concept Art",
  "prompt": "Coastal cloud city concept art — tiered white towers rising out of a soft sea of low cloud that pours over a cliff edge into the ocean below, warm dawn light catching the rooftops, tiny figures and slender skybridges for scale, distant sailing craft on the water, painterly matte-painting finish, cinematic wide establishing shot",
  "model": "Flux",
  "model_version": "Flux.1 dev",
  "settings": {
    "aspect_ratio": "16:9",
    "steps": 28,
    "cfg": 3.5
  },
  "style_tags": [
    "fantasy",
    "cinematic"
  ],
  "use_case_tags": [
    "concept-art",
    "wallpaper"
  ],
  "source_url": "https://promptkoi.com/prompts/flux/coastal-cloud-city-concept-art/"
}

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