Color Picker - HEX, RGB, HSL, HSV Color Converter Free Online

Free online color picker tool. Select colors, convert between HEX, RGB, HSL, HSV formats instantly. Save recent colors and access popular color palettes.

Popular Colors

How This Tool Works

Our color picker uses the HTML5 input type="color" element combined with JavaScript color space conversion algorithms to provide real-time color format translations. When you select a color, the browser's native color picker returns a HEX value, which our tool then converts to RGB by parsing the hexadecimal digits into red, green, and blue components (0-255). For HSL conversion, we use mathematical formulas that transform RGB values into hue (0-360°), saturation (0-100%), and lightness (0-100%) using color theory calculations. HSV conversion is similar but uses value/brightness instead of lightness.

The tool also implements bidirectional conversion—you can manually enter values in any format, and it will parse that input, validate it, and convert to all other formats instantly. Recent colors are stored in your browser's localStorage using the Web Storage API, persisting up to 10 colors across sessions. The color palette section uses predefined color arrays that you can quickly select from. All processing happens in your browser with zero server communication.

Why Use This Tool

While design software like Figma or Photoshop includes color pickers, our web-based tool provides instant access without switching applications:

  • All formats instantly: See HEX, RGB, HSL, and HSV simultaneously—no manual conversion needed
  • Quick access: Pick colors without opening design software or browser DevTools
  • Color history: Automatically saves recent colors for consistent design across sessions
  • Bidirectional input: Enter values in any format and see them converted to all others
  • Copy with one click: Each format has a dedicated copy button for instant clipboard access

Compared to standalone color picker apps or browser extensions, our tool is instantly accessible from any device, requires no installation, and provides comprehensive format support in a clean interface.

How to Use the Color Picker

Our free color picker tool makes it easy to select, convert, and manage colors for your design and development projects:

  1. Pick a Color: Click the color picker or preview box to select any color
  2. View Formats: See the color automatically converted to HEX, RGB, HSL, and HSV
  3. Edit Values: Type directly into any format field to update the color
  4. Copy Values: Click "Copy" next to any format to copy it to clipboard
  5. Use Presets: Click popular colors for instant selection
  6. Access History: Your recent colors are automatically saved for quick reuse

Understanding Color Formats

Different color formats serve different purposes in web development and design:

  • HEX (#RRGGBB): Most common in CSS. Compact 6-character format. Example: #6366f1
  • RGB (Red, Green, Blue): Integer values 0-255 for each channel. Example: rgb(99, 102, 241)
  • HSL (Hue, Saturation, Lightness): More intuitive for color adjustments. Hue: 0-360°, S/L: 0-100%
  • HSV (Hue, Saturation, Value): Similar to HSL but uses brightness. Common in design software

Color Format Conversion

Our tool automatically converts between all color formats in real-time:

  • HEX to RGB: Convert hexadecimal color codes to RGB values
  • RGB to HEX: Transform RGB values to compact HEX format
  • HSL to HEX/RGB: Convert hue-based colors to other formats
  • HSV Conversion: Work with brightness-based color models
  • Live Updates: All formats update instantly as you change any value

Color Theory Basics

Understanding color relationships helps create harmonious designs:

  • Primary Colors: Red, green, and blue form the basis of RGB color
  • Complementary Colors: Opposite colors on the color wheel (e.g., blue and orange)
  • Analogous Colors: Colors next to each other on the wheel
  • Triadic Colors: Three colors evenly spaced on the wheel
  • Monochromatic: Variations of a single hue with different saturation/lightness

Working with HSL

HSL provides an intuitive way to manipulate colors:

  • Hue (0-360°): The color itself. 0°=red, 120°=green, 240°=blue
  • Saturation (0-100%): Color intensity. 0%=gray, 100%=full color
  • Lightness (0-100%): Brightness. 0%=black, 50%=normal, 100%=white
  • Color Variations: Easily create shades by adjusting lightness
  • Tints and Tones: Modify saturation for different color moods

Color Accessibility

Ensure your color choices are accessible to all users:

  • Contrast Ratio: WCAG requires 4.5:1 for normal text, 3:1 for large text
  • Color Blindness: Don't rely solely on color to convey information
  • Text Readability: Use sufficient contrast between text and background
  • Link Visibility: Ensure links are distinguishable without relying only on color
  • Testing Tools: Use contrast checkers to verify accessibility

CSS Color Usage

How to implement colors in your stylesheets:

  • HEX: color: #6366f1; - Most compact and widely used
  • RGB: color: rgb(99, 102, 241); - Easy to understand
  • RGBA: color: rgba(99, 102, 241, 0.5); - RGB with transparency
  • HSL: color: hsl(239, 84%, 67%); - Intuitive adjustments
  • HSLA: color: hsla(239, 84%, 67%, 0.5); - HSL with transparency
  • Named Colors: color: blue; - 140+ predefined color names

Color Palette Creation

Tips for building cohesive color schemes:

  • Start with Primary: Choose one main color for your brand/design
  • Add Accent Colors: Select 1-2 complementary colors for highlights
  • Create Shades: Generate lighter and darker versions (adjust HSL lightness)
  • Neutral Colors: Include grays for text, backgrounds, and borders
  • Test Combinations: Ensure all colors work well together
  • Limit Your Palette: Use 3-5 main colors to maintain consistency

Common Use Cases

When you need a color picker:

  • Web Design: Choose colors for websites and user interfaces
  • Brand Development: Define brand colors and create style guides
  • CSS Styling: Get exact color codes for stylesheets
  • Design Systems: Build consistent color palettes for components
  • Prototyping: Quickly try different color schemes
  • Color Matching: Find exact color codes from design mockups
  • Theme Creation: Develop light and dark theme colors

Color Psychology

Colors evoke emotions and influence user behavior:

  • Red: Energy, passion, urgency (use for CTAs, alerts)
  • Blue: Trust, calm, professionalism (popular for corporate sites)
  • Green: Growth, health, nature (good for eco-friendly brands)
  • Yellow: Optimism, attention, caution (use sparingly)
  • Purple: Luxury, creativity, wisdom
  • Orange: Enthusiasm, creativity, affordability
  • Black: Sophistication, elegance, power
  • White: Purity, simplicity, cleanliness

Best Practices

  • Use consistent color formats throughout your codebase
  • Define color variables/constants for easy maintenance
  • Test colors on different screens and devices
  • Consider color meaning in different cultures
  • Save your color palette for future reference
  • Use opacity/alpha channels for overlays and shadows
  • Document your color system for team collaboration
  • Test accessibility with real users when possible

Performance Tips

  • HEX colors are fastest to parse in browsers
  • Named colors are convenient but limited in options
  • RGBA/HSLA add minimal performance overhead
  • Use CSS variables for easy theme switching
  • Optimize color values in production builds

Limitations & Things to Know

Understanding these color format nuances helps you make better design decisions:

  • Monitor calibration: Colors may appear different on different screens due to monitor calibration, brightness, and color profiles. What looks perfect on your screen may look different to users. Test on multiple devices when color accuracy is critical.
  • HSL/HSV differences: While similar, HSL and HSV produce different results when adjusting lightness/value. HSL keeps colors at 50% lightness as "pure," while HSV keeps them at 100% value. Choose based on your adjustment needs.
  • Browser color picker limitations: The native HTML5 color picker interface varies by browser and doesn't support transparency (alpha channel). For RGBA or HSLA with transparency, you'll need to add alpha values manually in your code.
  • Color space considerations: This tool works in sRGB color space. For professional print work requiring CMYK or other color spaces, use specialized design software.
  • Accessibility: Not all color combinations are accessible. After picking colors, test contrast ratios using accessibility tools to ensure readability for all users, including those with visual impairments.
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Frequently Asked Questions

What is a color picker tool?

A color picker is a tool that allows you to select and preview colors, then convert them to different formats like HEX, RGB, HSL, and HSV. It helps designers and developers choose and implement colors consistently across their projects.

What is the difference between HEX, RGB, HSL, and HSV?

HEX is a hexadecimal color code used in CSS (#RRGGBB). RGB represents Red, Green, Blue values (0-255). HSL stands for Hue, Saturation, Lightness and is more intuitive for color adjustments. HSV (Hue, Saturation, Value) is similar to HSL but uses Value/Brightness instead of Lightness.

When should I use HEX vs RGB vs HSL?

Use HEX for most CSS styling as it is compact and widely supported. Use RGB when you need transparency (RGBA). Use HSL when you want to create color variations by adjusting hue, saturation, or lightness programmatically. All formats are supported in modern browsers.

How do I choose accessible colors?

For accessibility, ensure sufficient contrast between text and background colors. The WCAG recommends a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Use lighter or darker shades to achieve proper contrast while maintaining your color scheme.

Are my recent colors saved?

Yes, the tool automatically saves your last 10 selected colors in your browser's localStorage. These colors persist between sessions and can be quickly reused. Your color history stays private and never leaves your device.

Can I enter color values manually?

Yes, you can manually enter color values in any format (HEX, RGB, HSL, or HSV). The tool will automatically convert and update all other formats in real-time, making it easy to work with colors from different sources.