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Color Palette Visualizer

See your palette as a real interface instead of swatches.

Your palette

Roles
The assignment appears here

Quick Tool Overview

The Color Palette Visualizer applies your palette to a real interface — cards, buttons, forms, a chart, body text — in the proportions a design actually uses, then shows it in dark mode, in greyscale and under every colour vision simulation.

What it does
Previews a palette as a working interface
You give it
Five to ten colours
You get back
A full UI preview plus condition checks
Best for
Judging a palette before committing to it
Color Tools Free, unlimited use No sign-up Runs in your browser

About the Color Palette Visualizer

Swatches lie. A palette that looks balanced as five equal rectangles falls apart the moment the colours are used in the proportions an interface actually uses them: one dominant background, a lot of neutral, and a few percent of accent.

This applies your palette to a real layout — a page with a header, cards, buttons in every state, form fields, a chart, a table and body text — so you are judging it the way it will be seen. Colours are assigned by role, and any role can be reassigned to a different swatch.

It also shows the palette in the conditions it will actually meet. Both themes, the whole thing in greyscale, and each of the colour vision deficiency simulations, because a palette that only works in one of those is not finished. Every text and background pairing in the preview is contrast-checked, and the failures are listed rather than left to be noticed.

Key features of the Color Palette Visualizer

Real proportions

One dominant background, a lot of neutral, a few percent of accent — not five equal rectangles.

Roles you control

Assign any colour to background, text, primary or accent and see the result immediately.

Every condition

Dark mode, greyscale and the colour vision simulations, because a palette that works in only one of them is not finished.

Failures listed

Every text and background pair in the preview is contrast-checked, and the ones that fail are named.

Paste anything

Hex codes, custom properties, Tailwind fragments or "Name: value" lines all parse.

How to use the Color Palette Visualizer

  1. 1

    Paste your palette

    Five to ten colours, one per line. Names are kept if you give them.

  2. 2

    Assign the roles

    Which colour is the background, the text, the primary action, the accent.

  3. 3

    Look at the interface

    Real components in real proportions, not a row of squares.

  4. 4

    Check the conditions

    Dark mode, greyscale and colour vision simulations, with every failing pair listed.

Frequently asked questions

Because swatches give every colour equal area and an interface does not. Colours that are pleasant in small amounts can be overwhelming as a background, and the only way to find that out is to see it.

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