Color Picker & Converter

Advanced visual color picker and multi-format converter. Extract colors from images, check WCAG contrast, and generate palettes.

CSS & Design, Color Tools (sub)

Paste any color — HEX, RGB, HSL, or a CSS name (crimson, teal…)

All Formats

HEX #7C6FFF

HEXA #7C6FFFFF

RGB rgb(124, 111, 255)

RGBA rgba(124, 111, 255, 1.00)

HSL hsl(247, 100%, 72%)

HSLA hsla(247, 100%, 72%, 1.00)

CMYK cmyk(51%, 56%, 0%, 0%)

HSV hsv(247, 56%, 100%)

Pick From

🖼️ Image

Click anywhere on the image to sample its color.

Recent Colors

WCAG Contrast

White text — : 1

Black text — : 1

Color Blindness Sim Pro

NormalProtanDeutanTritan

Real-World Mockup

Sample UI

Body text on your brand color background.

Badge

Color Harmonies

Tech Specs & Security

Processing: 100% Client-side

Max Input Size: Unlimited

Browser Support: Chrome, Firefox, Safari, Edge

What is the Visual Color Picker & Converter?

Color Picker & Converter is a professional-grade color suite designed for modern web developers and UI designers. Unlike standard input pickers, Color Picker & Converter provides a high-fidelity visual engine for manipulating Hue, Saturation, and Lightness with pixel-perfect accuracy. Color Picker & Converter supports automatic detection of nearly any color format and provides instantaneous conversion across HEX, RGB, HSL, CMYK, and even modern OKLCH standards. Everything runs 100% inside your browser, ensuring your design exploration remains private and fast.

Image Color Extractor

Color Picker & Converter identifies exact colors from your own photos. Simply upload any JPG or PNG image and use the precision crosshair to sample any pixel. This killer feature allows you to build brand-accurate palettes directly from source imagery without leaving your browser. The tool also utilizes the native browser EyeDropper API where supported for high-precision screen sampling.

WCAG Accessibility Tool

Building accessible interfaces is critical. Color Picker & Converter includes a real-time WCAG 2.1 Contrast Checker that provides immediate pass/fail scores for your chosen color background. It tells you exactly how readable white or black text will be, ensuring your designs meet international accessibility standards effortlessly without needing external auditing tools.

Advanced Color Harmonies

Color Picker & Converter automatically generates four professional color schemes: Complementary, Analogous, Triadic, and Monochromatic. You can export these palettes directly as CSS Variables, Tailwind Config objects, or JSON files. This makes Color Picker & Converter the perfect starting point for any new project theme or style guide creation.

Smart Multi-Format Input

Forget manual conversion steps. The Smart Input box in Color Picker & Converter automatically detects if you have pasted a HEX code, an RGB string, an HSL variant, or a CSS named color like 'Crimson'. Color Picker & Converter instantly handles the parsing and updates the entire workspace to match, saving you time during rapid prototyping.

How to Use the Color Picker & Converter

Pick a base color: Use the Advanced Visual Picker square to set saturation and lightness, then drag the Hue slider to find your tone.

Sample from an image: Use the Image Color Extractor to upload a photo and click any pixel to grab its exact code instantly.

Check accessibility: Review the WCAG Contrast Tool to ensure your selected color provides enough readability for text against backgrounds.

Explore harmonies: Select a scheme like 'Triadic' or 'Analogous' to see matching colors generated by the engine for your palette.

Export your palette: Choose between CSS, Tailwind, or JSON formats and click 'Export' to get the code for your theme variables.

One-click copy: Click the 'Copy' button next to any format (HEX, RGB, HSL) to move the specific code to your clipboard instantly.

Color Format Comparison

Format	Best For	Key Advantage
HEX	Standard Web CSS	Short	traditional	and universal support
RGB / RGBA	Dynamic transparency	Direct manipulation of screen sub-pixels
HSL / HSLA	Designer-friendly tweaks	Easiest for humans to adjust brightness/saturation
CMYK	Print Design	Standardized for ink-based production logic
OKLCH	Modern UI Themes	Maintains perceived brightness across all hues

Format Validation & Support

Color Picker & Converter handles unrecognized strings by providing real-time feedback in the smart input box. If you paste an invalid HEX or CSS name, Color Picker & Converter prevents the workspace from updating to a broken state. For the Image Picker, ensure you use supported formats like JPEG, PNG, or WebP. Note that the native EyeDropper API is currently available in modern Chromium-based browsers, while other browsers utilize our robust canvas-based fallback.

Frequently Asked Questions

Is my image data kept private?

Yes. Color Picker & Converter is 100% browser-based. Kilotoolkit never uploads your color data or images to any server; everything is processed locally.

How does the Contrast Check work?

Color Picker & Converter uses the WCAG 2.1 formula (Relative Luminance) to calculate contrast ratios, giving you pass/fail ratings for accessibility.

Can I convert CMYK to HEX accurately?

Yes. Color Picker & Converter uses the standard mathematical mapping from RGB to CMYK, perfect for translating print guide values to web code.

Why should I use OKLCH?

OKLCH is becoming the CSS standard because it maps color based on how the human eye actually perceives brightness, unlike standard HSL.

Does this support the native OS eyedropper?

Yes, Color Picker & Converter includes a button to launch the browser's native EyeDropper API for sampling colors from anywhere on your display.

Tool Layout Gallery

Interface and Features - Color Picker & Converter

What is the Visual Color Picker & Converter? - Color Picker & Converter

How to Use the Color Picker & Converter - Color Picker & Converter

Technical Specifications - Color Picker & Converter

Color Format Comparison - Color Picker & Converter

Format Validation & Support - Color Picker & Converter

Frequently Asked Questions about Color Picker & Converter - Color Picker & Converter

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