Bring local HTML and CSS to the new Website Theme Doctor. See before-and-after designs, approve exact color changes, review potential issues and export production-focused handoff files—entirely in your browser.

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NEW · BROWSER-ONLY DESIGN SYSTEM LAB

Know exactly where your brand colors go.

Trace CSS color usage, compare website versions, protect original brand colors while repairing supporting tones, and generate chart palettes with downloadable implementation evidence.

Open Design System Lab

NEW · BROWSER-ONLY STYLE INTELLIGENCE

Find the design issues behind your styles.

Audit competing CSS declarations, token health, spacing and typography consistency. Review responsive previews, prepare SVG variants, and export client-ready proposals without a server.

Explore Style Intelligence

BUILT FOR YOUR CREATIVE FLOW

More than a color picker.

Simple tools that help you move from a nice-looking swatch to a considered, usable interface.

Design your palette

Try four harmony styles and refine individual colors in a dedicated workspace.

Try the studio

Check readability

Test actual WCAG AA and AAA contrast ratios before shipping your interface.

AaClear text deserves a clear background.

Check contrast

Pick colors from images

Upload a photo or screenshot, inspect exact pixels with a magnifier, and discover its dominant palette. Nothing leaves your browser.

Try image picker

Copy colors into code

Export CSS variables, JSON, or Tailwind-ready values for a smooth handoff from design to development.

Explore exports

// Your next theme
:root {
  --color-1: #EE4800;
  --color-2: #FFBD8A;
  --color-3: #1D2939;
}

Start with a curated collection

Search by mood, discover a palette, and open the complete combination in the theme studio.

See the library

IMAGE → THEME → CODE

A real design system
from any image.

Sample an exact pixel, save a few colors, then build a complete UI theme with named roles, four interactive previews and measurable contrast. Refine and export when it looks right.

Start with an image

FROM IDEA TO IMPLEMENTATION

A better color workflow
in three steps.

Choose a direction

Explore a preset palette or start with a base color and a harmony style.

Preview in context

See how your choices look on buttons, cards, page backgrounds, and body text.

Export and build

Copy clean, reusable tokens and bring the palette straight into your project.

WORKED DESIGN EXERCISES

See the decisions behind the colors.

Follow three practical design briefs, compare failing and passing text contrast pairs, then copy clean CSS tokens for a website, dashboard or reading app.

Explore worked examples

GOOD TO KNOW

Frequently asked questions.

A few useful answers before you get creative.

What is a color palette?

A color palette is a set of colors chosen to work together in a design. A good palette makes important actions clear, builds visual consistency, and provides enough contrast for readable interfaces.

Is ColorThemePicker free?

Can I use these colors in commercial projects?

Do my uploaded images leave my device?

How do I choose accessible text colors?

YOUR NEXT DESIGN STARTS HERE

Find your color story.

Less guesswork. More confidence in every color decision.

Create your palette

Make your colorswork together.

Beautiful palettes,ready to explore.

Apricot Studio

Ocean Depths

Lavender Hour

Forest Paper

Midnight Citrus

Rosewater

Upload your logo.See your brand come to life.

Don't just pick colors.Prove they work.