Free Online Tool
Random Color GeneratorGenerate, Lock & Export
Generate random colors in batches, lock the ones you love, and export your palette as hex, CSS, or code — all from one free random color generator.
Colors to generate
Colors generated today: 0
Why Use a Random Color Generator?
Batch Generation
Need a full palette fast? The random color generator creates up to 20 colors in a single click. Each color card shows hex, RGB, and HSL values, ready to copy. No more toggling between tabs — generate, review, and export your random colors from one screen.
Lock & Iterate
Found a color you love? Lock it. Hit Regenerate and only the unlocked cards refresh with new random colors. This lock-and-iterate workflow is how professional designers refine palettes — keep what works, replace what doesn't, until every color earns its place.
Export Anywhere
Copy your palette as a comma-separated hex list, CSS custom properties, or a JavaScript array. It formats your output to paste directly into stylesheets, design tools, or codebases — zero manual conversion.
How It Works
Set Your Count
Use the stepper to choose 1 to 20 colors. The grid grows or shrinks to match your target — two columns on mobile, four on desktop. The layout adapts to any screen size.
Hit Generate
Press the GENERATE button. Every unlocked card enters a rapid color-cycling animation — colors flash through like slot-machine reels — then stop one by one with a satisfying stagger. The random color generator makes palette creation feel tactile and fun.
Lock Your Favorites
See a color you want to keep? Tap its lock icon. Locked cards get a gold border and stay frozen when you regenerate. This is the core workflow: generate, lock winners, regenerate losers, repeat.
Export Your Palette
When your palette is complete, choose an export format. Copy All gives you hex codes; Copy as CSS gives custom properties; Copy as Array gives JavaScript syntax. It puts your palette in the format your project needs.
Built for Developers & Designers
Front-end developers reach for a random color generator when prototyping themes, testing dark-mode contrast, or populating placeholder content. The CSS export feature turns generated colors into custom properties you can paste directly into :root — no manual hex-to-variable conversion. It handles the formatting so you can focus on building.
Designers use the lock-and-iterate workflow to refine mood boards. Generate a batch of random colors, lock the tones that match the brand direction, and regenerate the rest until the palette clicks. The slot-machine animation makes the process engaging — clients love watching colors cascade and settle during live presentations. This tool turns color selection from a chore into a spectacle.
Curious which random colors actually suit your complexion? Our free AI color analysis maps your skin undertone to one of twelve seasonal palettes in seconds. Pair it with this tool to see which of your generated swatches land in your personal season — turning random exploration into personalized style guidance.
Found Colors You Love?
Discover which colors flatter you most. Upload a selfie and our AI maps your skin undertone to one of twelve seasonal palettes — so every color you generate has a purpose behind it.
Frequently Asked Questions
What is a random color generator?
A random color generator is an online tool that creates colors at random, providing hex, RGB, and HSL values you can use in design, web development, or art projects. Our tool uses a slot-machine mechanic — watch colors cascade and stop one by one, lock your favorites, and regenerate the rest. It is free, fast, and works in any browser.
How do I use the lock feature in this tool?
Click the lock icon on any color card to freeze it in place. When you hit Regenerate, only the unlocked cards get new random colors — locked cards stay exactly as they are. This lets you build a palette iteratively: generate, lock the colors you like, regenerate the rest until every slot is perfect.
How many colors can it create at once?
You can generate anywhere from 1 to 20 random colors in a single batch. Use the plus and minus buttons to set your count before generating. The responsive grid adapts from two columns on mobile to four on desktop, so even large palettes stay easy to browse and copy.
What export formats does the random color generator support?
It supports four export formats: Copy All (comma-separated hex codes), Copy as CSS (custom properties like --color-1: #hex), Copy as Array (JavaScript array syntax), and individual value copying (click any hex, RGB, or HSL value on a card). All formats copy to your clipboard instantly.
Are the generated colors truly random?
Yes — every color is generated with a random hue (0–360°), constrained saturation (40–89%), and constrained lightness (30–74%). The saturation and lightness constraints ensure this tool always produces vivid, usable colors rather than near-white, near-black, or muddy gray shades.
Can I use this tool for web development?
Absolutely. The Copy as CSS export gives you ready-made custom properties you can paste directly into your stylesheet. Each card also shows individual hex, RGB, and HSL values. Developers use it to prototype themes, test contrast ratios, and create placeholder palettes during rapid development.