Promptkoi

Retro-Futuristic Space Tourism Poster

Flux
By Varun Sharma Tested with Flux Flux.1 dev

Retro-Futuristic Space Tourism Poster is a Flux.1 dev prompt for travel marketing, sci-fi decor, and event promo. It combines mid-century poster geometry with a rocket-and-planets scene and limited period colors.

Last tested: July 2026 with Flux Flux.1 dev

Part of the Flux prompt library.

Retro-futuristic space tourism poster with a rocket and stylized planets
Retro-Futuristic Space Tourism Poster — Flux Flux.1 dev, Aspect ratio 2:3

Prompt 

Retro-futuristic space tourism poster, sleek silver rocket arcing over stylized ringed planets, starburst sun, clean geometric clouds, limited palette of teal, coral, cream and charcoal, bold sans-serif headline zone at top, no real text, no letters, 1950s travel poster style, flat 2D illustration, grain texture, 2:3 vertical

Settings

Model
Flux Flux.1 dev
Aspect ratio
2:3
Steps
28
CFG scale
3.5

How to use this prompt

The empty headline zone lets you overlay real event copy in a design tool. "No real text" prevents Flux from inventing gibberish letters. The travel-poster geometry works at poster and Pinterest-pin sizes; add "screen-printed texture" if you want a distressed concert-poster feel.

Variations to try

  • Mars colony version — "domed city on red Martian plains, dusty orange and silver palette"
  • Lunar resort — "elegant cruise liner orbiting a detailed moon, art-deco lettering space blank"
retro futurism space bold poster travel wall art

What to do next

Explore more →

Browse the full Flux prompt library — every entry tested with its settings.
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For developers — copy this prompt as JSON 
{
  "title": "Retro-Futuristic Space Tourism Poster",
  "prompt": "Retro-futuristic space tourism poster, sleek silver rocket arcing over stylized ringed planets, starburst sun, clean geometric clouds, limited palette of teal, coral, cream and charcoal, bold sans-serif headline zone at top, no real text, no letters, 1950s travel poster style, flat 2D illustration, grain texture, 2:3 vertical",
  "model": "Flux",
  "model_version": "Flux.1 dev",
  "settings": {
    "aspect_ratio": "2:3",
    "steps": 28,
    "cfg": 3.5
  },
  "style_tags": [
    "retro-futurism",
    "space",
    "bold"
  ],
  "use_case_tags": [
    "poster",
    "travel",
    "wall-art"
  ],
  "source_url": "https://promptkoi.com/prompts/flux/retro-futuristic-space-tourism-poster/"
}

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