Color Picker

HEX
RGB
HSL
100% Client-Side • Zero Data Sent to Servers

Online Color Extractor & Palette Generator

Extract dominant color palettes from any image, sample individual pixels with a precision eyedropper, and copy color values in HEX, RGB, HSL, and CSS formats.

Local Processing & Data Privacy

All formatting, parsing, decoding, and validation executes entirely within your browser using modern Web APIs and JavaScript. Your tokens, JSON payloads, regex inputs, and queries never leave your computer.

About this Tool

Creating cohesive UI designs, matching brand assets, or reproducing color schemes from mockups and photos requires fast color extraction and reliable format conversion.

DevRef's Online Color Extractor analyzes your image's pixel data locally using the HTML5 Canvas API. It clusters dominant color frequencies to present a beautiful, harmonious palette while providing an interactive eyedropper to sample any specific pixel coordinate. All color calculations execute 100% in your browser—your design mockups and photographs are never sent to external servers.

How to Use

  1. 1Upload Image: Drag and drop any PNG, JPG, WebP, or SVG file onto the canvas or click to browse.
  2. 2View Dominant Palette: Inspect the automatically generated primary and secondary color swatches with contrast analysis.
  3. 3Sample Individual Pixels: Hover over the image and click with the eyedropper crosshair to pick any exact coordinate color.
  4. 4Copy Color Codes: Click on any color chip to copy its value in HEX (#ffffff), RGB (rgb(255,255,255)), or HSL (hsl(0,0%,100%)).

Key Features

  • •Automatic dominant color palette extraction using k-means color quantization
  • •Interactive pixel-level precision eyedropper magnification loupe
  • •Instant conversion across HEX, RGB, HSL, and CSS variable formats
  • •WCAG contrast preview for text-on-color legibility checks
  • •100% client-side execution: private creative mockups and screenshots stay confidential

Frequently Asked Questions

Are my uploaded photos or design mockups stored on DevRef servers?

No. The entire image processing and palette clustering pipeline executes locally in your browser using the HTML5 Canvas 2D context. No images are uploaded.

Which color formats are supported for export?

You can copy colors as 6-digit Hex codes (#RRGGBB), RGB strings, HSL percentages, and modern CSS color tokens.

Can it extract palettes from transparent PNGs or SVGs?

Yes. Transparent pixels are filtered out so that only visible foreground colors contribute to the extracted palette.