About This Tool
The Color Palette Generator instantly creates harmonious sets of colors based on a starting color or entirely randomly. It generates palettes using common color theory principles like complementary, analogous, triadic, or monochromatic schemes. Designers, UI/UX professionals, and artists use this tool to quickly explore color combinations for websites, branding, data visualizations, interior design, or digital art. Instead of manually picking colors that may clash, the generator ensures visual harmony by mathematically adjusting hue, saturation, and lightness. You can specify a base color or let the tool surprise you with random palettes that maintain balance. The output includes hex codes and optional RGB values, making it easy to copy into design software like Figma, Adobe XD, or CSS code. This saves hours of trial-and-error and helps maintain consistent color aesthetics across projects.
How It Works
The tool starts with a base hue (0-360°) from the HSL color model. For a complementary palette, it adds 180° to the hue. For analogous, it adds ±30°. For triadic, it adds 120° and 240°. Saturation and lightness are adjusted to ensure contrast and readability. The formula for a complementary color is: hue2 = (hue1 + 180) mod 360. Each color is then converted to a hex code for display.
Examples
- A graphic designer creating a brand identity for a coffee shop selects a warm brown base (#8B4513). The generator produces a complementary palette with a soft teal (#138B8B) and two neutral accents, perfect for a cozy yet modern look.
- A web developer needs a triadic color scheme for a dashboard. Starting with blue (#3498DB), the generator yields yellow (#DBB434) and red (#B434DB) as the other two primary colors, plus lighter tints for backgrounds and buttons.
Pro Tips
- Always test your palette with a color contrast checker to ensure text is readable—especially for accessibility (WCAG AA/AAA compliance).
- Use the 60-30-10 rule: 60% dominant color, 30% secondary, 10% accent for balanced visual hierarchy in UI design.
- Generate multiple palettes from the same base color by adjusting saturation and lightness, then pick the one that best fits your project's mood (e.g., pastel vs. vibrant).