Free CSS Gradient Generator
Create linear and radial CSS gradients with a live preview. Adjust colors, angle, and gradient type, then copy the CSS code.
100% client-side - your data never leaves your browser.
background: linear-gradient(135deg, #3b82f6, #8b5cf6);How to use this tool in production
A CSS gradient is a generated image that the browser paints from color stops. This guide explains how to build gradients that remain readable, responsive, and easy to maintain after you copy the generated CSS into a real project.
Choose the right gradient type
Linear gradients move colors along a straight axis. They work well for page backgrounds, buttons, banners, charts, and subtle depth behind text. The angle controls the direction of travel. An angle of 90 degrees moves left to right, while 180 degrees moves top to bottom. Using an explicit angle is usually clearer than relying on a browser default.
Radial gradients expand from a center point and are useful for spotlights, vignettes, soft highlights, and circular status graphics. Conic gradients rotate colors around a center point. They are best suited to color wheels, progress rings, pie-like graphics, and decorative borders. Select the type that matches the geometry of the design rather than forcing every effect into a linear gradient.
Build predictable color stops
Each stop combines a color with a position. Stops at 0 percent and 100 percent define the ends, while intermediate stops control where transitions accelerate or pause. Two stops produce a simple blend. Additional stops can create bands, highlights, or sharper transitions, but every extra stop makes the result harder to reason about and maintain.
Keep stop positions in ascending order and test the transition at narrow and wide viewport sizes. A gradient that looks balanced on a large monitor can become abrupt on a mobile card because the same transition is compressed into fewer pixels. When a brand color must remain visible, give it a wider span instead of adding many nearly identical stops.
- Use hexadecimal or HSL values consistently within one declaration.
- Name reusable colors with CSS custom properties.
- Keep the original solid background as a fallback before the gradient.
- Avoid transparent stops over unknown page backgrounds.
Protect text contrast and accessibility
Text placed on a gradient must meet the same WCAG contrast requirements as text on a solid background. The difficult part is that contrast changes across the element. Check the text color against the lightest and darkest areas that can appear behind it, including hover states and responsive layouts. Large type still needs a contrast ratio of at least 3 to 1, while normal body text needs at least 4.5 to 1.
A practical approach is to keep text over a quiet part of the gradient or place a semi-opaque surface behind the copy. Do not rely on a shadow to rescue low-contrast text. Shadows can improve edge separation, but they do not replace sufficient foreground-to-background contrast. For controls, also verify focus rings and disabled states against every nearby color stop.
Use gradients without slowing the page
CSS gradients are usually smaller and sharper than raster background images because the browser generates them at the required resolution. They scale without pixelation and avoid an extra image request. Complex gradients can still be expensive when they cover a large area, animate continuously, or combine with blur and filters.
Prefer a static gradient for ordinary surfaces. If motion is essential, animate transform or opacity on a separate layer instead of repeatedly changing gradient stop positions. Respect the prefers-reduced-motion media query, and avoid large fixed backgrounds on mobile devices where repainting can be costly. Test scrolling and interaction on an actual phone, not only in a desktop emulator.
Copy the result into production safely
After generating the declaration, place a solid background color immediately before it. Browsers that cannot render the gradient will retain the fallback. If the gradient is part of a design token, store the complete declaration in a custom property with a descriptive name such as --surface-accent rather than --blue-gradient. Semantic names survive future color changes.
Inspect the final component in light mode, dark mode, high contrast mode, and print preview when those contexts apply. A decorative gradient can be removed in forced-colors mode, so the interface must still communicate hierarchy without it. Keep essential status information in text or icons rather than encoding meaning only through color.
- Validate the copied CSS in the browser developer tools.
- Check the smallest supported viewport and the largest content width.
- Test hover, focus, active, and disabled states.
- Run a contrast check at multiple points behind foreground text.
Frequently asked questions
What is the difference between a CSS gradient and a background image?
A CSS gradient is generated by the browser from colors and stop positions. It behaves as a CSS image but requires no separate raster file, remains sharp at every resolution, and can use design tokens such as CSS custom properties.
How many color stops should a gradient use?
Use the fewest stops that produce the intended transition. Two or three stops are enough for most interface surfaces. More stops are appropriate for data or artistic effects, but they increase testing and maintenance cost.
Can text be accessible on top of a gradient?
Yes, when the text meets contrast requirements against every color that can appear behind it. Test the weakest contrast point, and use a stable overlay or separate text surface when the gradient varies too much.
Should a gradient be animated?
Only when motion serves a clear purpose. Large animated gradients can trigger frequent repaints, distract from content, and cause discomfort. Provide a reduced-motion alternative and prefer transform or opacity animation on a separate layer.
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