Color Palette Generator – Free Online Tool
Generate beautiful color palettes, check WCAG contrast, simulate color blindness, and extract colors from images — free online color scheme generator.
Free Color Palette Generator Online
Our free Color Palette Generator is an essential tool for designers and developers who need to quickly create beautiful, harmonious color schemes. Choose from multiple generation modes — random palette generation, color harmony wheel (analogous, complementary, triadic, split-complementary, tetradic), image color extraction, or brand color system builder. Every palette includes semantic roles (primary, secondary, accent, background, surface, text) for instant use in real projects.
Extract Color Palette from Image
Drag and drop any image to instantly extract its dominant colors into a cohesive palette. The tool uses a client-side color extraction algorithm to cluster the dominant RGB values across thousands of pixels, sorting them by visual weight. Your images are never uploaded to any server — processing happens entirely in your browser for maximum privacy and speed.
WCAG Contrast Checker & Accessibility Tools
Ensure your color combinations meet Web Content Accessibility Guidelines (WCAG) with our built-in contrast checker. The full 6×6 contrast matrix shows AAA (≥7:1), AA (≥4.5:1), and fail ratings for every color pair. Simulate how your palette looks under color blindness conditions (protanopia, deuteranopia, tritanopia) to build truly inclusive designs.
Generate Tailwind CSS Color Scale
Instantly generate a complete Tailwind CSS color scale (50 through 950) for any color using perceptual OKLCH interpolation. Export your palette as CSS custom properties, Tailwind config JSON, SCSS variables, or design tokens. Stop manually creating color configurations — get production-ready code with one click.
Color Harmony Wheel & Scheme Generator
Explore color theory with our interactive color harmony wheel. Select a base color and generate mathematically perfect analogous, complementary, triadic, split-complementary, and tetradic color schemes. Each harmony mode produces five coordinated colors that work together based on proven color theory principles.
Frequently Asked Questions
Everything you need to know about the Color Palette Generator.
Is this color palette generator free to use?
Yes, our color palette generator is completely free with no signup required. It runs entirely in your browser (client-side) so there are no usage limits, no watermarks, and no hidden fees.
Do you store or look at the images I upload?
No. The Color Palette Generator processes your images using the HTML5 Canvas API directly on your local device. Your images are never transmitted over the internet, keeping your proprietary designs or personal photos completely private.
What color formats can I export?
You can view and copy colors in HEX, RGB, HSL, and OKLCH formats. For bulk export, choose CSS Custom Properties, Tailwind CSS config JSON, SCSS variables, or JSON design tokens. Each export includes the full palette with all semantic roles.
What does the WCAG contrast checker do?
The WCAG contrast checker calculates the contrast ratio between every pair of colors in your palette. It rates each combination as AAA (≥7:1 ratio, highest accessibility), AA (≥4.5:1, standard accessibility), or Fail. This helps ensure your text is readable for users with visual impairments.
How does the color blindness simulator work?
The simulator uses Vienot 1999 color vision deficiency matrices to transform your palette colors as they would appear to someone with protanopia (red-blind), deuteranopia (green-blind), or tritanopia (blue-blind). This lets you verify your design works for all users.
Can I lock colors when generating new palettes?
Yes. Click the lock icon on any color swatch to freeze it. When you generate a new palette (via spacebar or the generate button), locked colors remain while unlocked ones are randomized. This is perfect for iterating on a design while keeping your favorite colors.