Color Palette Extractor

Extract dominant colors from any image using K-means clustering. Get HEX, RGB, and HSL values with ready-to-use CSS variables.

Drag & drop an image or click to browse

PNG, JPG, WebP, AVIF, TIFF — max 10MB

APIPOST /api/v1/images/palette
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Key Features

100% Free

No registration required, unlimited checks

Instant Results

Real-time analysis with detailed output

REST API Access

Integrate into your workflow via API

Accurate Data

Live queries to authoritative sources

What is Color Palette Extractor?

The color palette extractor analyzes any image using K-means clustering algorithm to identify the most visually dominant colors and presents them in all common formats: HEX codes, RGB values, and HSL values, along with ready-to-use CSS custom properties that you can paste directly into your stylesheet. K-means clustering works by grouping millions of pixel colors into a specified number of clusters and finding the representative center of each group — producing a mathematically accurate representation of the image's color distribution. This free color palette generator from images is used by graphic designers creating color schemes inspired by photographs, web designers matching website colors to a brand's key imagery, interior designers extracting palettes from inspiration photos, artists studying color relationships in reference images, brand managers ensuring visual consistency between photography and digital assets, and UI designers building theme palettes that complement hero images.

How to Use

  1. 1Upload any image to analyze its color palette (photographs work best for rich, interesting palettes)
  2. 2View the extracted dominant colors displayed as swatches with HEX, RGB, and HSL values
  3. 3Click any color swatch to copy its HEX code to your clipboard
  4. 4Copy the full CSS custom properties block for easy integration into your stylesheets
  5. 5Adjust the number of colors to extract: fewer (3-4) for a focused palette, more (8-10) for detailed color analysis

Who Uses This

System Administrators

Monitor and troubleshoot infrastructure

Developers

Debug network issues and integrate via API

SEO Specialists

Verify domain configuration and performance

Security Analysts

Audit and assess network security

Frequently Asked Questions

How do I extract a color palette from an image?
Upload any image (photo, illustration, screenshot) and the tool automatically analyzes all pixels using K-means clustering to identify the most prominent colors. Results are displayed as color swatches with HEX, RGB, and HSL values you can copy with one click. You also get ready-to-use CSS custom properties. For best results, use high-quality images with clear color themes — landscape photos, product shots, and artwork typically produce the most useful palettes.
What is K-means clustering and how does it find colors?
K-means clustering is a machine learning algorithm that groups similar data points together. For color extraction, it treats each pixel's RGB values as a point in 3D color space and groups all pixels into K clusters (where K is the number of colors you want to extract). The algorithm iteratively adjusts cluster centers to minimize the distance between each pixel and its nearest cluster center. The final cluster centers represent the most dominant colors in the image. This is more accurate than simple histograms because it considers the full color distribution, not just individual channels.
How many colors should I extract from an image?
It depends on your use case: 3-4 colors produces a minimal, focused palette perfect for UI design where you need a primary color, secondary color, and accent. 5-6 colors is the sweet spot for most design projects — captures the key colors plus important secondary tones. 8-10 colors provides a detailed breakdown including subtle color variations, ideal for studying the full chromatic range of a photograph or creating a comprehensive brand palette from a key visual.
What color formats does the tool output?
Each extracted color is provided in three formats: HEX (e.g., #3366FF — used in CSS, design tools, and web development), RGB (e.g., rgb(51, 102, 255) — used in CSS, programming, and color manipulation), and HSL (e.g., hsl(220, 100%, 60%) — useful for adjusting hue, saturation, and lightness independently). The tool also generates CSS custom properties (variables) like --palette-1: #3366FF that you can paste directly into your stylesheet for immediate use.
Can I use extracted colors for commercial design projects?
Yes — the extracted colors are mathematical values (HEX/RGB/HSL codes) derived from the image's pixel data. Color values themselves cannot be copyrighted or trademarked. You can freely use extracted color palettes in any commercial or personal design project. However, if you're extracting colors from someone else's photograph or artwork, respect their image copyright — the color palette is yours to use, but the source image may have usage restrictions.

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API Endpoint

POST /api/v1/images/palette
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