Color Palette Generator

Generate harmonious color palettes from any base color. Complementary, analogous, triadic and more.

Base Color

CSS Variables

About the Color Palette Generator

The Color Palette Generator derives harmonious color schemes from any base color using established color theory rules. Choose from complementary, analogous, triadic, split-complementary, tetradic, or shades/tints modes to generate palettes that work together visually. Click any swatch to copy its hex value, or grab the full set as ready-to-use CSS custom properties.

Common use cases

Frequently Asked Questions

How does the Color Palette Generator calculate harmonious colors?

The generator works in HSL (Hue, Saturation, Lightness) color space, which maps colors around a 360-degree wheel in a way that mirrors human color perception. Complementary colors are found by adding 180° to the base hue; analogous colors are within ±30°; triadic colors are at ±120°; and split-complementary colors use ±150°. Because saturation and lightness are preserved from your input, the generated palette retains the vibrancy or muted quality of your original color rather than producing generic swatches.

What is the difference between complementary, analogous, and triadic schemes?

A complementary palette pairs your base color with its direct opposite on the color wheel, creating high contrast - best for call-to-action buttons and highlighted elements. Analogous palettes use colors that sit adjacent to each other, producing a harmonious, low-tension feel ideal for backgrounds and body content. Triadic schemes use three evenly-spaced hues for a vibrant, balanced look common in illustration and branding, while tetradic (four colors) maximizes variety but requires careful balancing to avoid visual chaos.

How do I use the generated CSS custom properties in my project?

The tool outputs CSS custom property declarations (e.g., --color-primary: #3b82f6;) that you paste into the :root block of your stylesheet. Once defined, you reference them anywhere in your CSS using var(--color-primary), which keeps your palette centralized and easy to update globally. This approach is the foundation of modern design systems and works in all browsers that support CSS variables - Chrome 49+, Firefox 31+, Safari 9.1+, and Edge 15+.

Can I generate tints and shades for a complete design-system scale?

Yes - selecting the "Shades & Tints" mode generates a 10-step lightness scale from very dark to very light using your base color's hue and saturation. This is the same approach used by Tailwind CSS and Material Design to build their color scales (e.g., blue-100 through blue-900). The generated steps provide enough contrast between adjacent values to be used for hover states, borders, backgrounds, and text without needing manual adjustments for each shade.

How does this compare to tools like Coolors or Adobe Color?

Coolors and Adobe Color offer community palette galleries, palette locking/randomization, and export to design-tool formats like ASE - features suited for exploratory creative work. This tool is focused on the developer workflow: enter a known brand color, instantly get its harmonies as copy-ready CSS custom properties, and move on. There are no accounts, no ads, and no friction - it is optimized for the case where you already know your base color and need the complementary values fast.