Color Palette Generator
Generate harmonious color palettes from any base color. Choose a harmony type, preview five coordinated swatches, and export as CSS variables or Tailwind config.
How the Color Palette Generator Works
This tool takes any base color and generates a harmonious five-color palette using color theory principles applied in the HSL color space. You pick a single starting color, choose a harmony rule, and the generator calculates the remaining colors by rotating the hue wheel, adjusting saturation, and shifting lightness according to proven design formulas.
The HSL model separates color into three independent channels: hue (the position on the 360-degree color wheel), saturation (the intensity or vividness), and lightness (how bright or dark the color appears). By manipulating these channels mathematically, the generator produces palettes that feel naturally balanced rather than randomly assembled.
Understanding Harmony Types
Complementary palettes pair colors from opposite sides of the color wheel, creating maximum contrast. Analogous palettes group neighboring hues for a calm, unified feel. Triadic schemes space three colors evenly around the wheel for vibrant variety. Split-complementary replaces the direct complement with its two neighbors, reducing tension while keeping contrast. Tetradic uses two complementary pairs for rich, complex palettes. Monochromatic varies only the saturation and lightness of a single hue for subtle, elegant designs.
From Theory to CSS
Every generated palette can be exported as CSS custom properties or Tailwind CSS configuration. CSS variables let you define your palette once in a :root selector and reference it throughout your stylesheets using var(--color-1) notation. This approach makes theme changes trivial: update the variables and the entire site adapts. The Tailwind output maps each color to a named key you can drop into your tailwind.config.js extend section.
Choosing the Right Harmony
For landing pages and marketing sites that need bold impact, complementary or triadic palettes work well. For dashboards, documentation, and content-heavy interfaces where readability matters, analogous or monochromatic schemes reduce visual noise. Split-complementary is a versatile middle ground popular in brand identity work because it provides contrast without the harshness of direct complements.
Color Accessibility Considerations
A beautiful palette is only effective if users can perceive the differences between colors. When using your generated palette, always check contrast ratios between text and background colors to meet WCAG 2.1 guidelines. Pair this tool with a contrast checker to verify that your chosen combinations provide at least 4.5:1 contrast for normal text and 3:1 for large text.
Privacy and Processing
All calculations run entirely in your browser. No color data is sent to any server. Your design work remains completely private, and the tool works offline once the page has loaded.
Frequently Asked Questions
What is a complementary color palette?
A complementary palette uses two colors that sit directly opposite each other on the color wheel, exactly 180 degrees apart. This creates maximum contrast and visual impact, making it ideal for call-to-action buttons, accent highlights, and designs that need to grab attention.
How does the analogous harmony work?
Analogous colors sit next to each other on the color wheel, typically within 30 degrees of the base color. This produces a naturally harmonious, low-contrast palette that feels cohesive and soothing. It is commonly used in nature-inspired designs and brands that want a unified feel.
What is a triadic color scheme?
A triadic scheme uses three colors evenly spaced around the color wheel at 120-degree intervals. This provides strong visual contrast while retaining color balance. Triadic palettes are vibrant and work well for playful, energetic designs when you want variety without chaos.
Is my color data sent to a server?
No. All color calculations happen entirely in your browser using JavaScript. No data is transmitted anywhere. Your design choices remain completely private.
What is split-complementary and when should I use it?
Split-complementary uses the base color plus the two colors adjacent to its complement, creating a Y-shape on the color wheel. It offers strong contrast like complementary but with less tension, making it easier to balance in designs.
How do I use the generated CSS variables in my project?
Copy the CSS variables output and paste them into your stylesheet root selector. For example, add them inside :root { } in your CSS file. Then reference them as var(--color-1), var(--color-2), etc.