Free Online Color Toolkit

Pick colors, build gradients and palettes, mix shades, verify WCAG contrast, and preview common color-vision deficiencies in one responsive workspace.




Color tools workspace

Pick colors, build gradients and palettes, mix shades, check contrast and preview color-vision accessibility.

🎨 Color Picker

🌈 Gradient Maker

🎭 Palette Generator

🧪 Color Mixer

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50% - 50%

♿ Contrast Checker

Sample text for contrast testing

👁️ Color Blindness Simulator

🌟 Features Overview

Professional color tools for designers, developers, and creative professionals

🎨

Color Picker

What it does: Select colors visually or by hex code with instant format conversion.

How to use:

  1. Click the color picker to open visual selection
  2. Or type hex code directly (e.g., #FF5733)
  3. Click any color value to copy to clipboard
  4. All formats (HEX, RGB, HSL) update automatically
💡 Pro Tip: Use HSL values for easy color variations and RGB for CSS properties.
🌈

Gradient Maker

What it does: Create CSS linear gradients with custom colors and directions.

How to use:

  1. Choose start and end colors using color pickers
  2. Select direction from 8 options (horizontal, vertical, diagonal)
  3. Preview updates in real-time
  4. Click "Copy CSS Code" for ready-to-use CSS
Output: background: linear-gradient(135deg, #14b89a, #0d8d76);
🎭

Palette Generator

What it does: Generate 5-color harmonious palettes based on color theory.

Palette Types:

  • Complementary: Opposite colors on color wheel
  • Analogous: Adjacent colors for harmony
  • Triadic: Three evenly spaced colors
  • Monochromatic: Variations of single hue
  • Tetradic: Four colors in rectangle pattern

How to use:

  1. Choose base color with color picker
  2. Select palette type from dropdown
  3. Click "Generate Palette" for new combinations
  4. Click any color in palette to copy hex code
  5. Use "Export Palette" to save as text file
🧪

Color Mixer

What it does: Blend two colors together with adjustable mixing ratio.

How to use:

  1. Select first color in left picker
  2. Select second color in right picker
  3. Adjust mix ratio with slider (0-100%)
  4. View blended result with color values
  5. Click result values to copy to clipboard
💡 Use Case: Perfect for creating transition colors, hover states, and subtle variations.

Contrast Checker

What it does: Check color contrast ratios for accessibility compliance (WCAG standards).

WCAG Standards:

  • AAA (7:1 ratio): ✅ Best accessibility for all text
  • AA Normal (4.5:1): ✅ Good for normal text
  • AA Large (3:1): ⚠️ Acceptable for large text only
  • Below 3:1: ❌ Fails accessibility standards

How to use:

  1. Choose text color with first picker
  2. Choose background color with second picker
  3. View live preview of text on background
  4. Check contrast ratio and WCAG compliance level
  5. Adjust colors until you achieve desired accessibility level
👁️

Color Blindness Simulator

What it does: Simulate how colors appear to people with different types of color blindness.

Vision Types:

  • Normal Vision: Standard color perception
  • Protanopia: Red-blind (1% of males)
  • Deuteranopia: Green-blind (1% of males)
  • Tritanopia: Blue-blind (very rare)
  • Achromatopsia: Complete color blindness (monochrome)

How to use:

  1. Select test color with color picker
  2. Choose vision type from dropdown
  3. View simulated color appearance
  4. Check color values for the simulated result
  5. Test your designs for inclusive accessibility
💡 Design Tip: Ensure important information isn't conveyed by color alone.

🚀 Quick Tips for Power Users

🎯 Workflow Integration

Use the toolkit alongside design software like Figma, Adobe XD, or Sketch. Copy hex codes directly into your design tools.

📱 Responsive Testing

Test your color choices on different devices. The toolkit works on mobile, so you can verify colors on actual screens.

♿ Accessibility First

Always check contrast ratios and color blindness simulation before finalizing your color scheme.

🎨 Color Theory

Use complementary colors for high contrast, analogous for harmony, and monochromatic for elegant simplicity.

⌨️ Keyboard Shortcuts

Ctrl + C Copy selected color value
Tab Navigate between color inputs
Enter Apply hex code input
Space Generate new palette
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Practical tool guide

Using Color Toolkit effectively

Pick colors, generate palettes, and convert codes. This page is designed to help you convert between formats with a clear browser-based workflow rather than making you install a separate utility for a small task.

How to use it

Enter or select the source information, choose the available options, run the tool, and review the result before copying, downloading or reusing it.

Best used for
  • quick one-off tasks
  • checking a result before sharing
  • workflows where a lightweight browser tool is convenient
What to verify

Choose the correct source format, check the output format, and review the converted result before using it in an important workflow. Browser capabilities, source quality and input format can affect the result. Keep the original source until you have checked the output.

Expected: A result in the selected target format that opens correctly in the software or browser you plan to use. Avoid: Assuming every conversion preserves fonts, forms, transparency, animation or complex layout exactly.

Why this workflow matters

Color Toolkit is most useful when you need a focused result without turning a small job into a larger software workflow. Start with a representative input, use the simplest settings that solve the task, and inspect the output before you reuse it. If the result will be published, submitted, printed or used for an important decision, compare it with the source and keep an original copy so you can verify or repeat the process.