JR Trove
Free · Browser-only · No signup

Color Palette Extractor

Extract the dominant colors from any image using K-means clustering. Choose 3 to 12 colors. Each palette color shows its hex, RGB, and the percentage of the image it represents.

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Inside the tool

What powers the Color Palette Extractor

K-means clustering on RGB pixel data

Configurable palette size (3-12 colors)

Per-color hex, RGB, and percentage

Visual proportion bar

Copy hex or rgb() for each color

image never uploaded

Built differently

Why the Color Palette Extractor is different

Browser-native

The Color Palette Extractor runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Building a brand palette from a logo / hero photo
  • Matching design palette to a reference image
  • Mood-board color extraction
  • Generating CSS color variables from an existing site's hero image
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

Color Palette Extractor questions

K-means is the standard clustering algorithm for color quantization — groups pixels by RGB similarity and picks each cluster's centroid as the palette color. Same approach used by professional design tools.