How to Write an AI Prompt for Graphic Design Posters

Creative toolkit - Image prompt builder

Poster Prompt Studio

Build a precise, art-directed prompt for an AI image generator. Define the message, visual style, subject, objects, composition, typography, lighting and final output—then copy the finished prompt.

Make the brief specific.

Fields are optional unless they help your design. Preview is a layout mock-up, not the generated artwork.

Live preview - Copy-ready prompt

01 - Poster purpose & format

Set the context so the prompt has a clear job.

Poster type Promotional poster Film / theatre poster Event poster Book cover / literary poster Social media campaign Product advertisement Public awareness campaign Music / concert poster Editorial / magazine poster Political / advocacy poster Travel / destination poster Art exhibition poster Festival / cultural poster Educational poster Minimal typographic poster Other

Where will it be used? Instagram portrait post Instagram Story / Reel cover Facebook post YouTube thumbnail WhatsApp share Printed poster Website banner Film hoarding / billboard Book / album cover Multiple platforms Other

Aspect ratio 4:5 — portrait social post 9:16 — story / vertical poster 2:3 — classic poster 1:1 — square 16:9 — landscape / thumbnail 3:2 — landscape print A4 portrait A3 portrait Custom

Custom ratio / dimensions

Target audience

Main communication goal Stop the scroll and create curiosity Drive ticket / product sales Communicate information clearly Build prestige and credibility Create emotional impact Make people remember a brand Raise awareness Announce a launch or event Other

Core idea / one-sentence brief

02 : Text & typography

Enter exact wording and define the visual hierarchy for each line.

H1 : Main headline

H1 text

Font family / style Bold modern sans-serif Elegant serif Condensed display Hand-painted lettering Brush lettering Retro / vintage display Geometric sans-serif Editorial high-contrast serif Monospace / technical Blackletter / gothic Rounded friendly Bengali typography Custom / specify below

Weight Extra bold Bold Medium Regular Light Hand-lettered

H1 font colour

H1 placement Top, centred Top, left aligned Top, right aligned Middle, centred Bottom, centred Vertical / rotated Integrated into the artwork Custom placement

H1 treatment Clean flat lettering Subtle shadow Outline / stroke Embossed / debossed Metallic / foil Neon glow Painted / textured Cut-out collage 3D extruded Distressed / weathered

H2 : Supporting headline

H2 text

Font style Clean sans-serif Elegant serif Condensed display Handwritten Brush lettering Bengali typography Match H1 Custom / specify below

H2 font colour

H2 placement Directly below H1 Above H1 Below the artwork Bottom section Side aligned Integrated into the artwork Custom placement

H2 treatment Clean flat lettering Subtle shadow Outline / stroke Painted / textured Badge / label Small-caps editorial Hand-lettered

H3 : Details / call to action

H3 text

Font style Readable sans-serif Elegant serif Bold condensed Handwritten Bengali typography Match H1 Custom / specify below

H3 font colour

H3 placement Bottom, centred Bottom, left aligned Bottom, right aligned Below H2 In a contrasting band Inside a badge Custom placement

H3 treatment Clean flat lettering Button / CTA treatment Small badge Outline / stroke Small-caps editorial Handwritten

Advanced typography controls

Poster language / script

Specific font names / extra notes

Overall alignment Consistent left alignment Centred and symmetrical Asymmetrical editorial Dynamic diagonal layout Grid-based Swiss design Intentionally chaotic collage

Letter spacing Natural / readable Tight and compact Wide tracking Mixed by hierarchy

Other exact text that must appear

03 : Background & palette

Control the canvas, colour relationships and texture.

Background type Solid colour Soft gradient Textured paper / canvas Photographic environment Illustrated scenery Abstract shapes Dark cinematic atmosphere Minimal clean negative space Collage / mixed media Patterned background Transparent / isolated subject Custom

Main background colour

Colour palette Use selected colours only Warm earthy colours Cool muted colours High contrast complementary Monochrome / grayscale Duotone / two colours Triadic colour harmony Pastel and soft Vivid saturated Jewel tones Vintage faded palette Black, white and one accent Traditional folk-art palette Custom palette

Accent colour(s)

Surface texture Clean and smooth Fine paper grain Canvas weave Film grain Screen-print misregistration Ink bleed / handmade print Weathered wall Halftone dots Rough brush texture Metal / glass surface None

Contrast level Balanced Very high Soft / low contrast Dark shadows and bright highlights Flat graphic contrast

Background details / exclusions

04 : Creative image & art direction

Describe the primary subject as if briefing an illustrator, photographer and art director.

Art style

Main visual style Photorealistic / cinematic photography Studio product photography Documentary / candid photography Fine-art photography Film still / cinematic realism 3D CGI / photoreal render Stylised 3D animation 2D digital illustration Editorial illustration Flat vector illustration Minimal line art Ink drawing / woodcut Watercolour painting Oil painting Acrylic painting Gouache painting Pastel / charcoal drawing Pencil / graphite sketch Linocut / block print Screen print / risograph Collage / cut-paper Mixed-media analogue art Jamini Roy-inspired Bengali folk painting Kalighat pata-inspired painting Madhubani / Mithila folk art Gond tribal art Warli tribal art Pattachitra / scroll painting Phad folk painting Kalamkari textile illustration Rajasthani miniature-inspired art Persian miniature-inspired art Japanese ukiyo-e woodblock Sumi-e ink wash Chinese brush painting Korean minhwa folk painting Indian miniature painting Van Gogh-inspired expressive post-impressionism Impressionist painting Post-impressionist painting Expressionist painting Cubism-inspired geometric painting Surrealism Art Nouveau Art Deco Bauhaus / Swiss modernism Pop art / comic-book print Vintage travel poster Constructivist poster design Brutalist graphic design Memphis design Pixel art Anime / manga illustration Graphic novel / inked comic Retro pulp illustration Cyberpunk neon art Fantasy concept art Science-fiction concept art Children's picture-book illustration Embroidery / textile art Clay / stop-motion aesthetic Paper sculpture Stained glass Metal engraving Photomontage Holographic / iridescent digital art Custom / describe below

Style blend One consistent style Painting + graphic design Photography + illustration Folk art + modern minimalism Vintage print + contemporary layout 3D subject + flat background Collage of multiple media Custom blend

Reference artist / era / visual reference

What qualities should the style have?

Primary subject

Main subject (required for a subject-led poster)

Number of subjects One Two Small group Large crowd Object / product only Landscape / environment only Abstract / no literal subject

Subject position in frame Centre Upper third Lower third Left third Right third Off-centre with negative space Full bleed / cropped by edges Diagonal / dynamic Custom

Subject scale Extreme close-up Close-up Medium shot Full body / full object Wide shot Monumental / oversized Small within a vast environment

Camera angle / viewpoint Eye-level Low angle / heroic High angle Bird's-eye / overhead Worm's-eye view Three-quarter view Side profile Front-on symmetrical Dutch tilt / canted angle Over-the-shoulder Macro / detail view Isometric / axonometric Flat illustration viewpoint Custom

Lens / perspective Natural perspective 24mm wide-angle 35mm environmental 50mm standard 85mm portrait compression Macro lens Telephoto compression Fish-eye distortion Illustrative / non-photographic

Focus / depth Sharp subject, soft background Deep focus throughout Shallow depth of field Dreamy soft focus Graphic flatness, no blur Selective focus on a detail

Subject colours

Clothing / material / surface

Expression / mood / gesture

Lighting Soft natural daylight Golden hour Blue hour Hard directional light Low-key dramatic lighting High-key studio lighting Rim light / backlight Chiaroscuro Neon / coloured light Candlelight / practical light Overcast diffused light Flat illustration lighting Custom

Emotional mood Hopeful / uplifting Mysterious / suspenseful Romantic / intimate Melancholic / reflective Energetic / rebellious Epic / heroic Fearful / unsettling Playful / whimsical Serene / contemplative Luxurious / premium Documentary / authentic Satirical / irreverent Custom

Additional subject attributes

Secondary objects, props & relationships

Describe every important object separately. Explain where it sits in relation to the subject and whether it overlaps, is held, or remains in the background.

Object / prop 1 — identity and purpose

Object colour

Material / condition

Object placement

Object angle / orientation

Object lighting / shadow

Relationship to subject / other objects

Other objects (repeat attributes for each in your description)

Setting / environment

Composition, depth & visual storytelling

Composition structure Rule of thirds Central symmetry Golden ratio / spiral Triangular composition Leading lines Framed within a frame Layered foreground / middle / background Radial composition Diagonal movement Minimal single focal point Collage / modular grid Custom

Depth arrangement Clear foreground, middle ground and background Flat two-dimensional space Strong atmospheric depth Layered cut-paper depth Shallow staged set Abstract overlapping forms

Negative space for text Clear space at top Clear space at bottom Clear space on left Clear space on right Clear central band Space around all text Text integrated into image Minimal negative space

Viewer's eye path H1 → subject → H3 Subject → H1 → H3 Top to bottom in a clear sequence Diagonal energetic movement One immediate focal point Explore details across the frame

Motion / energy Still and composed Dynamic action / movement Wind / flowing fabric Motion blur Floating / suspended objects Swirling expressive movement Static graphic forms

Symbolism / visual metaphor

What moment or story should the image communicate?

Finishing, quality & negative prompt

Finish / fidelity Highly polished Authentic handmade imperfections Raw and documentary Premium commercial finish Rough expressive sketch Print-ready graphic finish Vintage aged finish

Detail level Clean and simple Moderate detail Highly detailed Intricate micro-details Bold shapes, minimal detail

Output quality High-resolution, crisp edges Print-ready, high detail Natural photographic detail Intentionally low-fi / grainy Vector-clean edges

Text rendering instruction Render supplied text exactly, no extra words Generate image only; add typography later in design software Typography is part of the artwork Prioritise accurate text, avoid decorative distortions

Negative prompt — what must not appear?

Must-have details

Anything else / custom art direction

Live poster mock-up

A rough hierarchy preview based on your text and colour choices.

YOUR HEADLINE

Supporting line goes here

DETAILS : DATE : CALL TO ACTION

MAIN SUBJECT / CREATIVE IMAGE

POSTER PROMPT STUDIO

The mock-up illustrates basic text hierarchy and colour. It does not reproduce the selected art style or final image.

Your image-generation prompt

Review, edit if needed, then copy into your preferred image generator.

Prompt not generated yet

Your complete prompt will appear here after you select “Build my prompt”.

Typography tip: Many image generators still struggle with exact spelling and dense text. For critical Bengali or English copy, generate the artwork with reserved text space and add the final typography in Canva, Photoshop, Figma or another editor.

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