AI-TOL

Color Picker

Pick, convert, and analyze colors instantly. Support for HEX, RGB, HSL formats with WCAG contrast checker. Free online color picker for designers.

Click color block to select color, or enter HEX value

Format Values

HEX
HEX8
RGB
HSL
HSV

Contrast Check (WCAG)

With White (Ratio: 4.47)
Aa
Fail
With Black (Ratio: 4.70)
Aa
AA

Color Variants

#c1c2f9
#9294f5
#6366f1
#3438ed
#1418da

Color Harmony

#6366f1
#f1ee63
#6366f1
#639ff1
#6382f1
#6366f1
#7c63f1
#9963f1
#6366f1
#f163d8
#9ff163
#6366f1
#f16366
#66f163

Frequently Asked Questions

Quick answers to common questions
What are the different color formats and when should I use each one?

Different color formats serve different purposes in design and development. HEX (hexadecimal, #RRGGBB or #RRGGBBAA) is most common in web design—CSS uses 6-digit hex codes like #FF5733, with optional 2-digit alpha channel for opacity (#FF573380 = 50% transparent). RGB (red, green, blue) represents colors as three values 0-255, like rgb(255, 87, 51) or rgba(255, 87, 51, 0.5) with alpha—useful for programmatic color manipulation in graphics programming. HSL (hue, saturation, lightness) is human-friendly: hsl(9, 100%, 60%) where hue (0-360°) is the color wheel position, saturation (0-100%) is color intensity, and lightness (0-100%) is brightness—ideal for creating color variations and adjusting brightness while preserving hue. HSV/HSB (hue, saturation, value/brightness) is similar to HSL but models how paints mix—used in graphics software like Photoshop and Illustrator. CMYK (cyan, magenta, yellow, key/black) is for print design—not directly supported by our tool but essential for preparing materials for professional printing. Our tool supports HEX, RGB, HSL, and HSV with instant conversion between formats.

How do I pick colors from images and ensure accuracy?

Our color picker allows you to upload any image (JPG, PNG, GIF, WebP) and click to extract the exact color value from individual pixels. For accurate color picking: 1) Upload high-resolution images to avoid pixelation—low-res images may show interpolated colors rather than true pixel values. 2) Click directly on the color you want—the tool reads the RGB values at that exact pixel coordinate. 3) Use the zoom feature if available to precisely target small areas. 4) For gradients, click multiple points to sample the color range. 5) The tool displays the color in all supported formats simultaneously—HEX for web, RGB for graphics, HSL for design adjustments. Applications: Extract brand colors from logos, match UI elements from screenshots, identify colors from photographs for design inspiration, create color palettes from images for consistent theming. Privacy note: All image processing happens locally in your browser—images are never uploaded to any server, ensuring confidential designs remain private.

What are color harmonies and how do I create matching color schemes?

Color harmonies are aesthetically pleasing color combinations based on their positions on the color wheel. Our tool generates multiple harmony types: Complementary (2 colors opposite on the wheel, 180° apart)—high contrast, great for call-to-action buttons (e.g., blue #007BFF + orange #FF851B). Analogous (3 adjacent colors, 30° apart)—harmonious and serene, found in nature (e.g., green, teal, blue). Triadic (3 colors evenly spaced, 120° apart)—balanced but vibrant (e.g., red, yellow, blue). Tetradic/Double Complementary (4 colors forming two complementary pairs, 90° apart)—rich and diverse (e.g., red, green, blue, orange variations). Split-Complementary (base color + two colors adjacent to its complement)—vibrant but less tension than complementary (e.g., blue + yellow-orange + red-orange). Monochromatic (variations in lightness/saturation of one hue)—sophisticated and unified (e.g., light blue, medium blue, dark blue). Our tool automatically calculates these harmonies from your selected base color, providing HEX, RGB, and HSL values for each. Use these for website color schemes, branding materials, UI design, and illustration palettes.

How do I ensure my colors meet accessibility standards and WCAG compliance?

Web Content Accessibility Guidelines (WCAG) require sufficient color contrast for readability. Our tool helps you meet these standards: Contrast ratio measures the difference in luminance between foreground and background colors—WCAG 2.1 AA requires 4.5:1 for normal text and 3:1 for large text (18pt+ or 14pt bold), while AAA requires 7:1 for normal text and 4.5:1 for large text. Testing: Use our tool to check contrast ratios—enter both foreground and background colors to see if they pass AA or AAA standards. Best practices: 1) Avoid light text on light backgrounds (e.g., yellow on white) or dark on dark—these fail accessibility. 2) Don't rely on color alone to convey information (also use icons, labels, patterns) for colorblind users. 3) Test with grayscale—your design should remain readable without color. 4) Consider color blindness: 8% of men are red-green colorblind, so avoid red/green as the only distinguishing colors. Our tool displays contrast ratios and pass/fail status for WCAG compliance. Tip: When designing, start with accessible color combinations from our harmony generator, then verify with the contrast checker.

What is the difference between RGB and HSL, and why would I convert between them?

RGB and HSL represent the same colors but in different coordinate systems, each useful for different tasks. RGB (Red, Green, Blue) is additive—values 0-255 for each channel, mimicking how screens emit light. It's the native format for digital displays and programming: CSS rgb(), canvas, image processing. Great for: precise color control in code, matching screen colors exactly, understanding how pixels render. HSL (Hue, Saturation, Lightness) is intuitive—mimics how humans perceive and describe colors. Hue (0-360°, red→yellow→green→cyan→blue→magenta→red), Saturation (0-100%, gray→pure color), Lightness (0-100%, black→pure color→white). Great for: creating color variations (adjust lightness for shades, saturation for intensity), picking harmonious colors (hues at fixed intervals), design work where you think in terms of "lighter version" or "more muted". Conversion example: RGB(255, 87, 51) = HSL(9, 100%, 60%). Use our tool to convert when you need the format for a specific use case—HEX for CSS, RGB for graphics software, HSL for design adjustments.

How do I save and organize color palettes for different projects?

Our tool allows you to build custom color palettes by saving colors you've picked or generated. Features: 1) Save unlimited colors to your palette—click the save button on any color to add it. 2) Persistent storage—palettes are saved to your browser's local storage, so they persist between sessions without requiring an account. 3) Copy all formats—each saved color shows HEX, RGB, HSL values for quick copying. 4) Organize by project—create separate palettes for different websites, brands, or design projects. 5) Export options—copy your palette as CSS custom properties (:root { --primary: #FF5733; }), Sass/SCSS variables, or JSON for use in your code. 6) Share palettes—export your palette to share with team members or import into design tools. Best practices: Name your colors descriptively (e.g., "primary-blue" not "blue1"), include both brand colors and functional colors (success, warning, error), document your palette with usage guidelines (when to use each color), test palette in different contexts (light/dark mode, various backgrounds). For professional work, consider tools like Adobe Color or Coolors for advanced palette management, but our tool provides quick palette generation without leaving your browser.

How do I use the picked colors in different programming languages and frameworks?

Once you've picked or generated a color, our tool provides formats ready for use in various languages: CSS: `color: #FF5733;` or `color: rgb(255, 87, 51);` or `color: hsl(9, 100%, 60%);`—copy directly from our tool. For alpha transparency: `color: rgba(255, 87, 51, 0.5);` or `color: #FF573380;`. JavaScript: Use hex strings `const color = '#FF5733'` or RGB objects `const color = {r: 255, g: 87, b: 51}`. For dynamic manipulation, HSL is easier: adjust lightness without changing hue. React/Vue/Angular: Use CSS-in-JS or inline styles with copied values—`

`. Sass/SCSS: Use variables `$primary-color: #FF5733;` for consistent theming. Python (Matplotlib/PIL): Use RGB tuples `(255, 87, 51)`—convert from hex by parsing pairs of digits. Swift/iOS: Use UIColor/Color with RGB values: `UIColor(red: 255/255, green: 87/255, blue: 51/255, alpha: 1.0)`. Android/Kotlin: Use Color.parseColor('#FF5733') or RGB ints. Tailwind CSS: Use arbitrary values `bg-[#FF5733]` or configure in tailwind.config.js. Our tool provides all necessary formats—just copy and paste into your project.

Is my color data and image upload private and secure when using this color picker?

Your privacy and security are guaranteed: all color processing and image handling happen entirely within your browser using client-side JavaScript. No data is ever sent to any server—no picked colors, no saved palettes, no uploaded images, no usage analytics, no cookies, no tracking. The entire color picking process runs locally on your device using the Canvas API, which extracts pixel data from images without network access. You can verify this by disconnecting from the internet—the tool continues working perfectly because it requires no network connection. This is particularly important when picking colors from confidential designs, internal screenshots, or sensitive materials. Additionally, our website is served over HTTPS with strict transport security (HSTS), ensuring the tool itself hasn't been tampered with during transmission. Since all processing is local, we have no record of what colors you pick or what images you upload—even if we wanted to access your data, we can't. For maximum security in corporate environments handling unreleased designs or confidential assets, our tool is safe to use as nothing leaves your browser. We recommend clearing saved palettes after use if working in a shared environment.

View Complete Guide & Tutorials

Explore advanced techniques and best practices

Use Cases

Discover how to integrate this tool into your workflow

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Web Design

Select and harmonize colors for websites and applications.

  • Create color schemes
  • Match brand colors
  • Design accessible palettes
  • Find complementary colors
🖼️

Graphic Design

Convert colors between formats for design tools.

  • HEX to RGB conversion
  • CSS color generation
  • Print color matching
  • Brand palette creation
💻

Development

Copy color codes directly into stylesheets.

  • Tailwind color values
  • CSS custom properties
  • React inline styles
  • SVG fill colors

About This Tool

Picking colors should be simple, but somehow it's always more complicated than it needs to be. This tool gives you HEX, RGB, HSL—you name it. Click to pick from a palette, type in values, or convert between formats. The real MVP is the color harmony suggestions—find complementary colors without guessing.

Technical Details

Built around the browser's native ` picker for system-level color selection. Converts between color spaces using standard formulas: RGB to HSL (for more intuitive color manipulation), HEX to RGB (for web use), and vice versa. Color harmony calculations find complementary, analogous, triadic, and split-complementary color schemes based on color wheel positions.

Algorithm

RGB (Red, Green, Blue) is additive color mixing for screens. HSL (Hue, Saturation, Lightness) is more intuitive for humans—pick a base color, then adjust intensity and brightness. Conversions use standard color space math. Harmony calculations position colors on a 360° color wheel, then find angles for complementary (180° opposite), triadic (120° spacing), etc.

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Privacy Commitment

🔒 **Privacy First**: Unlike server-based tools, AI-TOL processes everything locally in your browser - your data never leaves your device. No uploads, no tracking, completely private.