A random color generator produces unpredictable colors in every web format designers and developers need. Whether you're exploring color ideas, building a palette for a project, or testing UI contrast, this tool gives you instant hex, RGB, and HSL values with copy-to-clipboard convenience and harmony palette generation.
Color Values
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Recent Colors
How to Use the Random Color Generator
The random color generator helps designers, developers, and artists discover colors they might never have thought to try. It produces complete color data in every format needed for web development, along with palette harmonics and WCAG contrast checks.
Single Color Mode
Click "Generate Color" to produce a single random color. The large swatch shows the color visually, while the panel below displays the exact hex code, RGB values, and HSL values with one-click copy for each format. The contrast panel shows whether white or black text is more readable on that background, based on the WCAG 2.1 contrast ratio standard.
Using the Lock Feature
Lock any HSL component to constrain the randomization. Lock the hue to stay within a single color family while randomizing saturation and lightness for different vibrancy levels. Lock saturation to get consistent muted or vivid colors in different hues. Lock lightness to compare dark or light variations. All three can be locked simultaneously, effectively freezing the current color.
Palette Mode
Switch to Palette Mode using the tab at the top. Choose a harmony type — Complementary picks opposite hues on the color wheel, Analogous picks adjacent hues for a cohesive look, Triadic picks three evenly spaced hues for vibrancy, and Monochromatic varies saturation and lightness of a single hue. Click any swatch to copy its hex value.
Exporting Your Palette
After generating a palette, use "CSS Variables" to export ready-to-paste CSS custom properties, or "Tailwind Config" to get a formatted colors object for your tailwind.config.js file. Both export options are designed to drop directly into your project without editing. Click "Copy to clipboard" to copy the entire export block.
Color History
The last 10 generated colors appear as clickable swatches in the history panel. Click any swatch to revisit a previous color. This makes it easy to compare options or go back to a color you nearly picked.
FAQ
Is this random color generator free?
Yes, completely free with no signup required. Generate unlimited random colors, build palettes, and export CSS variables or Tailwind configs — all in your browser.
How are random colors generated?
Colors are generated using the browser's crypto.getRandomValues() API for true randomness. You can lock the hue, saturation, or lightness to constrain randomization to a specific color family while still getting variety.
What color formats does this tool support?
The tool displays every color in HEX (#FF5733), RGB (rgb(255,87,51)), and HSL (hsl(11,100%,60%)) formats simultaneously. One-click copy buttons are available for each format.
How does the lock feature work?
The lock toggle freezes one color component (hue, saturation, or lightness) while randomizing the others. For example, locking the hue to 240° and randomizing saturation and lightness gives you different shades of blue each time.
What palette types are available?
Four palette types: Complementary (opposite colors on the wheel), Analogous (adjacent colors), Triadic (3 evenly spaced colors), and Monochromatic (variations of one hue). Each generates 5 coordinated colors.
How do I export colors to CSS or Tailwind?
In palette mode, click 'CSS Variables' to get --color-1 through --color-5 declarations ready to paste into your stylesheet. Click 'Tailwind Config' to get a colors object formatted for tailwind.config.js.
Is my data private?
Yes. Everything runs locally in your browser. No colors or usage data are sent to any server.