Color Palette Generator
Generate harmonious color palettes for design projects, brands and UIs — instantly, and entirely in your browser.
What is a Color Palette Generator?
A color palette generator is a tool that produces a set of colors designed to work well together, saving you from the trial and error of picking colors by eye. Rather than generating pure random RGB noise, this generator builds each palette from color theory: it picks a base hue and then derives the remaining colors using one of three coordinated schemes — analogous (hues that sit close together on the color wheel), complementary-leaning (hues pulled from opposite ends of the wheel for contrast), or monochromatic (a single hue expressed through a range of saturation and lightness). The result is a set of five colors that reads as an intentional palette rather than a random grab bag.
How to Use It
Click "Generate" to create a brand-new palette of five colors. Each swatch displays its color code, which defaults to HEX — click the small format tabs above a swatch to switch that swatch to RGB or HSL instead. Click on the color code itself to copy it to your clipboard; a brief "Copied!" confirmation appears so you know it worked. If you like a particular color and want to keep it while you keep exploring the rest, click the lock icon on that swatch — locked swatches are skipped when you regenerate, so you can build a palette incrementally by locking colors one at a time. When you're happy with the full set, use "Copy All Colors" to copy every HEX code at once, ready to paste into a design tool, CSS file, or brand document.
Common Use Cases
Designers use palette generators like this one to quickly explore direction before committing to a brand or UI color system, to find accent colors that complement an existing primary color, or to break creative block when every self-picked palette starts to look the same. Developers use them to seed a Tailwind or CSS variable theme, to generate placeholder colors for charts and data visualizations, or to prototype dark/light theme variants. They're equally useful for non-designers — putting together a slide deck, a spreadsheet, a wedding invitation, or a small business's social media graphics — anywhere a handful of colors that visually belong together is needed without hiring a designer.
Frequently Asked Questions
Are the generated palettes truly random, or is there a method behind them?
There's a method. Each generation picks a random base hue and then a random scheme (analogous, complementary-leaning, or monochromatic), and derives the other four colors from that base using controlled offsets in hue, saturation and lightness. That's why the results look coordinated rather than like unrelated colors thrown together.
Can I keep some colors and only regenerate the others?
Yes. Click the lock icon on any swatch you want to keep. Locked swatches are preserved exactly as they are when you click Generate again — only the unlocked ones change.
Does this tool store or upload my palettes anywhere?
No. All color generation and formatting happens locally in your browser using JavaScript. Nothing is sent to a server, and no account or sign-up is required.
What's the difference between the HEX, RGB and HSL formats shown?
They're three ways of describing the exact same color. HEX is a six-digit code commonly used in CSS and design tools, RGB expresses the color as red/green/blue intensities from 0-255, and HSL expresses it as hue, saturation and lightness, which is often more intuitive when you want to nudge a color lighter, darker, or more saturated.
Can I use these colors commercially, in a logo or product?
Yes. Colors and simple numeric color values are not copyrightable, so any palette you generate here is free to use in personal or commercial projects without attribution.
Why do some palettes look more subtle and others more vivid?
That's driven by the scheme and the randomized saturation/lightness ranges within it. Monochromatic palettes tend to look subtler since every color shares a hue, while complementary-leaning palettes tend to look more vivid because they pull from contrasting parts of the color wheel.