Color Swatch Generator

The color swatch generator lays a palette out as labelled swatch cards — color, hex value and rgb equivalent — and prints that sheet from the browser.

What is Color Swatch Generator?

The color swatch generator turns a palette into a printable sheet of swatch cards. Edit a list of colours on the left and the right panel renders each one as a card: a block of the colour, its hex value in uppercase, and its rgb equivalent beneath. A print button then sends the sheet to the browser's own print dialog. It exists for the moment a palette has to leave the screen — for a wall, a sample book, a client meeting or a hand-off to someone who works on paper rather than in code.

• The content of each card is chosen for that purpose rather than for decoration.
• The colour block is large enough to judge at a glance, the hex is printed in a monospaced face so digits are unambiguous and can be read aloud or typed without confusing a one for an ell or a zero for an oh, and the rgb triple sits underneath because print and screen workflows ask for that notation at least as often.
• There are no names and no descriptive labels, since the tool has no way to know what each colour is for.

• Printing happens through the browser rather than through a generated file, and that is a deliberate kind of simplicity.
• There is no download to manage, no page-size setting and no exporting step: the sheet on screen is what the print dialog receives, and the usual print options apply for scaling, paper size, orientation and margins.
• It also means the sheet can be saved as a PDF from the same dialog, which is often the format people actually want when a palette has to be attached to documentation or sent to a printer who will not be opening a browser.

The workflow is short by design. Add the colours you want, name nothing, and print. Because the palette editor is live, adjusting a value updates the card immediately, so a last-minute correction before printing does not mean regenerating anything. That makes it useful mid-meeting, when someone asks whether a shade could be slightly warmer, and the answer can be produced and printed in the same minute rather than returned to later.

It is worth distinguishing this from its neighbours, because several tools produce similar-looking output for different destinations. A PNG swatch export renders labelled cards as an image file, which is better for slides and pull requests but is a picture rather than something you can print cleanly at any size. A palette strip image produces an unlabelled bar, useful as decoration but not as a specification. And the plain image export gives the simplest artefact of all. This tool is the one to reach for when the destination is paper.

When the requirement is simply to print a color palette on paper, there is nothing else to configure, which is the whole appeal of doing it this way rather than through a layout application. A couple of practical notes about printing colours honestly. Ink and paper will not reproduce a screen colour exactly, and vivid saturated colours in particular tend to arrive duller on a desktop printer, so a printed swatch is a reference rather than a proof; a calibrated proof comes from a print process, not a browser. There is also nothing in the sheet that records the paper or printer used, so if you keep printed swatches for comparison it is worth writing that on the page yourself.

Used as a color swatch generator for physical reference, the appeal is that it removes every intermediate tool: no design application, no layout file, no export pipeline. You get a printable color swatch sheet with hex codes straight out of the browser, which is exactly what is needed when a swatch sheet with hex codes has to exist on paper and the only thing that should stand between the palette and the printer is a couple of clicks.

How to use Color Swatch Generator

1. Add the colours you want on the sheet.
2. Check the cards: a large colour block, the hex in a monospaced face and the rgb triple underneath.
3. Print the page and set paper size, orientation and margins in the browser's dialog.
4. Save as PDF from the same dialog when the sheet has to be attached or sent.

When to use Color Swatch Generator vs related tools

Use this generator when a palette needs to exist on paper or as a PDF. Use the swatch PNG export for slides and documents, the palette strip for unlabelled decoration, and the SVG exporter when you need editable vector markup. The palette strip PNG is the unlabelled decoration for slides, the labelled swatch export puts the codes on individual cards, and the SVG exporter produces editable markup when the artifact has to be reworked.

Privacy & Security

This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.

Frequently asked questions about Color Swatch Generator