Color Palette Generator

Automatically generates color palettes based on color theory. Supports 6 different color scheme patterns including complementary, similar, and triad; WCAG contrast ratio check and CSS variable export are also available.

base color

HEX

color scheme type

pallet

WCAG contrast ratio (adjacent colors)

preview

Sample Header

This is sample text. You can see how the color palette applies to the UI.

export

Usage and Application Examples

  • Create color schemes for websites and apps based on color theory
  • Consider color scheme variations by automatically generating complementary and similar colors from brand colors
  • Check WCAG contrast ratio for accessible design
  • Export in CSS variables and JSON format for integration into development workflows

What is Color Palette Generator?

A color palette generator automates the creation of harmonious color combinations using color theory principles. Instead of manually selecting colors that work together, this tool applies scientific color relationships—like complementary pairs and triadic schemes—to instantly generate professional-looking palettes. It's invaluable for designers, marketers, and developers who need cohesive color systems for brands, websites, or applications.

How to Use

Select your preferred color harmony type from the available options: complementary (opposite colors), analogous (adjacent colors), triadic (evenly-spaced colors), or other variations. Enter a base color—either by hex code, RGB values, or by clicking a color picker. The tool generates a complete palette around that color. Export your palette in multiple formats: view hex codes for web design, RGB for digital displays, or HSL for CSS styling. Adjust individual colors if needed, or regenerate to explore different combinations while keeping your base color fixed.

Use Cases

Brand identity design: Create 5-7 colors that reflect your brand personality and work across logos, websites, and marketing materials. Web design: Generate a palette for UI elements, backgrounds, text, and accent colors that maintain visual hierarchy and accessibility. Interior design visualization: Test color schemes for rooms before purchasing paint or furniture. App development: Build consistent color themes for light and dark modes. Marketing campaigns: Develop color schemes that evoke specific emotions—warm tones for energy, cool tones for calm.

Tips & Insights

Color harmony is rooted in physics: complementary colors sit opposite on the color wheel and create maximum contrast; analogous colors sit next to each other and feel cohesive. For web accessibility, ensure adequate contrast between text and background colors. Limit your palette to 5-7 colors to avoid overwhelming designs. Consider cultural color meanings when designing for global audiences—red signals urgency in Western markets but prosperity in Asian markets.

Frequently Asked Questions

What is color harmony (color scheme theory)?

Color harmony is a method of creating visually harmonious color combinations based on color theory. There are multiple patterns such as complementary colors, similar colors, and triads, depending on the position of the colors on the hue circle. It is useful for creating a unified color scheme in design.

What is the difference between complementary and similar colors?

Complementary colors are combinations of colors that are diametrically opposed (180 degrees) in the hue circle, resulting in a color scheme with strong and noticeable contrast. Similar colors are combinations of adjacent colors (±30 degrees) in the hue ring, resulting in a natural, harmonious, and gentle color scheme.

What is the WCAG contrast ratio?

The WCAG contrast ratio is an accessibility standard that quantifies the difference in brightness between text and background colors; the AA standard usually requires a contrast ratio of at least 4.5:1 for text and 3:1 for capital letters. This tool automatically displays the contrast ratio between adjacent colors.

What export formats are available?

The CSS variable format can be pasted directly into a stylesheet, while the JSON format is useful for linking with programs and design tools.

How do you use random palette generation?

Clicking the "Random Generate" button will automatically generate a palette with a random base color and a random color scheme type. You can also use the lock function to lock in your favorite colors and regenerate only the rest.

Will the data I enter be sent to the server?

No. All processing is completed on the browser. All processing is completed in your browser and no data is sent to the server. You can use our site with peace of mind.

How do I adjust or refine a generated palette?

Most palette generators allow you to click individual colors to adjust them, or regenerate while "locking" colors you like to keep them fixed while others change. You can also fine-tune colors using sliders for hue, saturation, and brightness to achieve your exact desired shade.

What's the best way to use color palettes in web design?

Choose your primary brand color first, then generate a palette to find complementary accent colors and neutral tones for text/backgrounds. Ensure sufficient contrast for readability and accessibility—use the WCAG checker to verify AA or AAA compliance before deploying.

Can I use generated palettes for commercial projects?

Yes, color palettes are generally not copyrighted—any colors you generate or download are free to use commercially. However, always verify the tool's license terms for any exported assets or derivatives.

How do I choose between different color harmony types?

Complementary colors create high-contrast, energetic designs (use sparingly); analogous colors feel harmonious and calm; triadic gives balanced vibrancy with three equally-spaced colors. Start with complementary for bold designs or analogous for softer, professional looks.

What file formats work best for importing palettes into design software?

Adobe (ASE), Figma, and design tools typically support JSON, CSS, or HTML exports. ASE is ideal for Adobe Creative Suite; JSON works universally for web projects; and CSS custom properties are best for direct web development.

How do color blind users perceive these palettes?

Protanopia (red-blind) and deuteranopia (green-blind) users struggle with red-green contrasts. Use a color blindness simulator to test your palette—avoid red-green combinations as your only color differentiator, and always include pattern or text labels alongside colors.