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Find the tool for your job

Stage 01 of 05

Generate

Start from nothing — a hex, a photo, a harmony rule, or a gradient.

4 tools

Generate~2 min

Build a brand palette from scratch

A set of colors that belong together, in the format your project wants.

Spin up harmonious color sets, lock the ones you love, and export them as ready-to-paste code.

  1. Press space (or Generate) to roll new colors
  2. Lock the keepers and re-roll the rest
  3. Export to CSS, Tailwind, SCSS or JSON

Gradient~3 min

Design a modern gradient

A gradient with a clean middle, plus the CSS or an exported image.

Build smooth CSS gradients that blend in OKLCH — from scratch, a URL, or an image's colors. Plain CSS grays out the middle of a two-color blend; blending in OKLCH doesn't.

  1. Start from Random, a link, or Image
  2. Tune stops, angle and blend space
  3. Copy CSS/Tailwind or export PNG/SVG

Photo Picker~2 min

Pull a palette out of a photo

The colors from a photo you like, as hex codes you can use.

Upload an image and drag sample points to capture exactly the colors you want from it.

  1. Drop in an image
  2. Drag the handles onto the colors you want
  3. Copy the hexes or open in the generator

Picker~1 min

Pick a color that stays readable

One color you can use for text or a button without checking it afterwards.

A picker on a perceptually-even plane, with a line drawn around the region that is legible on your background. Everything inside the line passes; everything outside it doesn't.

  1. Set the background you'll place the color on
  2. Drag inside the safe zone — the shaded region is the failing half
  3. Copy the hex, or send it to the generator

Stage 02 of 05

Understand

Find out what a palette really is, and what's wrong with it.

5 tools

Doctor~3 min

Find out what's wrong with a palette

A list of real problems in plain words, and a fixed palette that keeps your brand hues.

Paste colors you already have and get the problems back in plain English — text nobody can read, a button that disappears, two colors that are secretly the same. One click repairs all of it without changing your hues.

  1. Paste a CSS block, brand guide or list of hexes
  2. Read the findings in plain words, numbers optional
  3. Fix everything at once, or one finding at a time

Contrast~1 min

Ship accessible, readable color

A pass/fail answer for one pair, and a fix suggested when it fails.

Check any text-and-background pair against WCAG, and preview it through color-blind vision.

  1. Enter your text and background colors
  2. Read the AA / AAA verdict instantly
  3. Toggle color-blind simulations

Inspect~2 min

Steal the recipe from a site you admire

Someone else's color and type decisions, written down where you can compare them to yours.

Paste any URL and get its colors, gradients, type scale and downloadable assets — read out of the site's own stylesheets, not guessed from a screenshot.

  1. Paste the address of a live site
  2. Read its colors, gradients and real heading sizes
  3. Download the assets, or send the colors onward

Debt Linter~3 min

Find the duplicate colors in your CSS

A file-and-line list of colors you can delete, and a number to track over time.

Paste or upload stylesheets and see which colors are the same color in practice — duplicates to merge, near-misses to watch, and a debt ratio for the whole codebase. Nothing leaves your browser.

  1. Paste or drop in your CSS files
  2. Read the duplicates and near-duplicates, with line numbers
  3. Merge them, and re-run it in CI to keep them gone

Colors~1 min

Look up any hex code

One color, in every format, with its neighbours a click away.

A reference for individual colors — values, conversions and nearby shades.

  1. Search or open a color
  2. Copy HEX, RGB, HSL or CMYK
  3. Jump to related shades

Stage 03 of 05

Validate

Prove it holds up — on real UI, in dark mode, against the standards.

3 tools

Visualizer~2 min

See a palette on real UI

Your palette on five finished-looking screens, so you can judge it as a design.

Preview your colors mapped onto real designs before you commit to them. Five swatches in a row tell you almost nothing about how they behave as a page.

  1. Bring in a palette
  2. See it across five real scenes
  3. Shuffle role assignments to compare

Theme Predictor~2 min

Check it survives dark mode

A light version and a dark version of the same palette, side by side.

See which way your palette naturally reads — light or dark — and preview both, built from the same role logic the Palette Doctor uses. Dark themes break the assumptions most color tools quietly make.

  1. Bring in the palette you're testing
  2. See which theme it's really built for
  3. Compare the light and dark builds

Explore~2 min

Find a palette by mood, fast

A ready-made palette to start from instead of a blank page.

Browse a curated gallery and filter by mood or theme when you need a starting point in seconds.

  1. Filter by tag — pastel, nature, bold…
  2. Preview palettes at a glance
  3. Open one in the generator to refine

Stage 04 of 05

Ship

Turn it into code your project can consume.

1 tool

Tailwind~2 min

Turn a palette into Tailwind scales

A drop-in Tailwind theme block, v4 or v3, built from your own colors.

Every color becomes a full 50–950 scale, shaped by Tailwind's own lightness and chroma curve. Your color keeps its exact hue and sits untouched on one slot — the ring marks it — and clicking any shade rebuilds the scale around that shade instead.

  1. Bring in your palette, or swap a color from the swatch picker
  2. Click a shade to move the scale onto it
  3. Copy the v4 @theme block or v3 config

Stage 05 of 05

Images

The file-in, file-out tools. Colors optional.

4 tools

Recolor~2 min

Restyle an illustration in seconds

The same illustration in your colors, downloadable.

Recolor any SVG with a modern, soft palette while keeping its original light and shadow.

  1. Open an SVG illustration
  2. Shuffle, browse palettes, or edit per region
  3. Download as PNG (or SVG on Pro)

Editor~3 min

Quick crop, filter and annotate

An edited image, exported, without installing anything.

Make fast edits to an image without opening heavy design software.

  1. Open your image
  2. Crop, filter or annotate
  3. Export the result

Converter~1 min

Convert images in bulk

The same images in the format you needed, converted on your own machine.

Batch-convert to PNG, JPG, WEBP or ICO right in your browser, with adjustable quality.

  1. Drop in one or many images
  2. Choose a format and quality
  3. Convert and download

Collage~3 min

Pair a photo with its palette

One image showing the photo and the colors it gave you — ready to post.

Turn a photo and its picked colors into a clean, shareable collage.

  1. Upload a photo
  2. Auto-pick its palette
  3. Arrange and export the collage

Common questions

The ones people actually ask, answered without the vocabulary.

I'm not a designer. Can I still use this?
Yes — most of these tools were built for exactly that. Every finding is written as a consequence rather than a measurement, so you're told 'this text will be tiring to read' instead of a number you'd have to look up. Pick a starting color, and the tools handle the rest.
How do I know if my color palette is good?
A palette works when text on it is comfortable to read, the main button is impossible to miss, no two colors are secretly the same, and nothing collapses for color-blind viewers. Palette Doctor checks all four and tells you which one you failed — in plain words, not ratios.
Will fixing my palette change my brand colors?
No. The repair only moves brightness and intensity, never hue. Your blue stays blue and your red stays red — they just move to a version that people can actually read.
Do I need to understand contrast ratios or WCAG?
Not at all. Everything is written as a consequence rather than a measurement — 'tiring for older readers', 'washes out in sunlight'. The numbers are one click away if you want them.
What does it mean when two colors are duplicates?
It means nobody can see the difference between them. Design systems collect these by accident, and each one is another value to keep in sync forever while adding no meaning. Merging them is free maintenance you'll never have to do again.
Do I need an account, and does any of this cost money?
The core tools are free and need no account — they run in your browser, and images you open never leave it. An account only exists to save palettes across devices, and Pro adds the repair tools, semantic tokens and the audit report.