Gradient poster design: bold prints with nothing but colour

A good gradient poster lets colour do the shouting: one strong blend with a clear focal point, a headline of a few words, and a lot of open space. Choose where the light sits first, set the type where the colour is calmest, add fine grain so the print stays smooth, and export at 300 dpi with bleed. The rest of this guide gives you six blends to start from, the pixel sizes for common posters and the print checks that stop a beautiful screen gradient turning flat and stripy on paper.

Why a poster can be nothing but colour

Posters are read from a distance and in passing. A single field of colour reads instantly from across a room, long before anyone can make out a photo. That is the same idea the colour field painters explored on canvas, described in color field painting: a large, carefully graded area of colour has presence on its own. The poster's job is then simple. Draw the eye to one place with light, and put the words exactly there or just beside it.

Six gradient poster ideas with codes

• Horizon band suits gig posters and travel prints. Set the type in the dark sky above the line.
• Single sun gives a natural target. Put a short title under the glow, never on top of it.
• Colour field is a deep red mass sinking into near black. A small line of light type at the foot is enough.
• Cool mist is the light option for exhibitions and wellness. Use dark navy type, not black.
• Conic sweep feels technical and energetic. Keep words away from the centre point, where every colour meets.
• Low glow is mostly black with colour rising from the bottom, ideal for club nights and launches.

Putting type on a gradient poster

The commonest failure is the headline crossing the brightest part of the blend, where light letters vanish and dark letters look heavy. Decide where the type goes before you finalise the gradient, then make that area the calmest and most even in tone. Use one typeface at two sizes at most. Large, tight, confident type matches the boldness of a colour poster; small text belongs in a single line at the bottom with the date and place. Text on a gradient covers contrast in depth.

Those two posters use a Gradiently Mark, which knows where the words are: its calmest, best contrasting area moves behind the text and Auto ink picks light or dark type per line, with no boxes or shadows. It is one way to stop the light and the headline competing; the manual way is to move one of them.

Gradient poster sizes in pixels

Design at the final print size and resolution from the start. A gradient enlarged from a small file looks soft and blotchy, which colour alone can't hide. At 300 dpi these are the common sizes; the full list is in poster sizes.

How to print a gradient poster without banding

Printers handle gradients less forgivingly than screens. Long, gentle blends can show steps, and the most vivid screen colours sit outside what CMYK inks can make, so they come back duller. RGB vs CMYK explains why, and printing gradients goes into proofs.

The fix for dull brights is to choose them yourself rather than let the print driver decide. Swap each neon for a slightly deeper relative before you send the file, and the poster keeps its punch instead of fading unevenly.

Bleed matters more on a colour poster than on almost anything else, because a hair of white at the edge of a full bleed blend is obvious. Print bleed shows how to set it up. With Gradiently Pro you can export a print PDF with bleed and crop marks, and resize one poster to every size in a step, so an A4 and an 18×24 inch version share the same light.