Box Shadow CSS Generator - Online Shadow Effect Designer
Design layered box shadows interactively and get the CSS code in real time. Adjust offset, blur, spread, and color. Essential tool for UI designers.
UD5 Toolkit
Create beautiful soft UI shadows with real-time preview & one-click copy
.neumorphic-element {
background-color: #e0e5ec;
border-radius: 15px;
box-shadow: -8px -8px 16px #ffffff, 8px 8px 16px #b8c0cb;
}
Neumorphism, also known as Soft UI, is a modern design trend that creates a soft, extruded look by combining dual shadows—one light and one dark—on elements that share the same background color. This creates the illusion of elements being pressed into or extruded from the background surface, resulting in a tactile, almost 3D appearance that's subtle and elegant.
Skeuomorphism mimics real-world materials and textures (like leather, wood, or metal) with detailed gradients and realistic shadows. Neumorphism, in contrast, is minimal and abstract—it uses only subtle dual shadows on flat, monochromatic surfaces to suggest depth without realistic textures. Think of neumorphism as a cleaner, more modern evolution of skeuomorphic principles.
Neumorphism can present accessibility challenges, particularly for users with visual impairments. The subtle contrast between elements and backgrounds may not meet WCAG contrast ratio guidelines. To improve accessibility: use clear text labels, ensure sufficient color contrast on interactive elements, provide distinct focus indicators, and consider using neumorphism primarily for decorative or non-critical UI elements rather than essential form controls.
Neumorphism relies on the CSS box-shadow property, which is supported by all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. The technique works on both desktop and mobile browsers. For Internet Explorer 11, basic shadow support exists but dual shadows may not render perfectly—however, IE11 usage is negligible as of 2024.
Neumorphism works best for: card-based layouts, dashboard widgets, toggle switches, button groups, music player controls, and portfolio showcases. It's ideal for designs where you want a soft, modern, and tactile feel. However, avoid using it for critical form inputs, navigation menus with many items, or interfaces requiring high contrast for readability.
For most designs, a shadow distance of 5–15px with a blur radius of 10–30px works well. The key is maintaining a blur radius roughly double the distance for a natural soft look. Lighter backgrounds typically benefit from slightly larger values, while darker backgrounds work better with subtler, smaller shadows. Use this generator's sliders to find the perfect balance for your specific color scheme!
Absolutely! Dark-mode neumorphism is stunning. With dark backgrounds (#1e1e1e to #2d2d2d), the light shadow creates a subtle glow while the dark shadow deepens the recessed areas. The intensity may need slight adjustment—typically higher for dark themes—to maintain visible depth. Try our dark preset themes above to see the effect in action.
You can add CSS transitions on the box-shadow and transform properties to create smooth interactive effects. For hover states, increase the shadow distance or blur slightly. For click/press effects, switch from a raised to a sunken mode by adding inset to both shadows, creating a satisfying "pressed" illusion. Keep transitions around 200–400ms for the best tactile feel.
Design layered box shadows interactively and get the CSS code in real time. Adjust offset, blur, spread, and color. Essential tool for UI designers.
Interactively add and adjust multiple box shadows on a sample element. Drag sliders for offset, blur, spread, and color. Copy the clean CSS code instantly.
Design a tooltip that appears on hover without JavaScript. Choose positioning, arrow, and animation. Copy the clean HTML/CSS.
Create a 'SALE' or 'NEW' corner ribbon in pure CSS. Adjust colors, position, and text. Great for e‑commerce.
Visually experiment with Flexbox container and item properties. See the layout update in real time and copy the CSS. Learn by doing, fully interactive.
Design a pure CSS tooltip with custom text, position (top/bottom/left/right), and arrow. Copy the clean code.
Create inner shadows for a pressed or sunken effect. Visually adjust and copy the CSS. Learn inset.
Design a fully styled scrollbar with colors, width, radius, and hover effects. Supports both ::-webkit‑scrollbar and Firefox scrollbar‑width.
Build a custom CSS reset by toggling which elements to normalize. Copy the resulting stylesheet. Lean and clean.
Visually configure scroll‑snap containers and items. Adjust alignment, stop behavior, and padding. Copy the clean CSS instantly.
Design a fully styled scrollbar with colors, width, and border radius. Get the CSS for Chrome and Firefox.
Design a custom focus indicator with outline, offset, and box‑shadow. Preview on interactive elements. Copy the CSS.
Create CSS mask‑image effects with custom shapes, gradients, and SVGs. Visually see the mask applied to an image. Copy the CSS.
Use isolation: isolate to contain mix‑blend‑mode and filters. See the visual difference with and without. Quick demo.
Browse the built‑in styles that browsers apply to HTML elements. Understand why your page looks different. Static reference.
Upload an image and generate the CSS to use it as a custom mouse cursor. Test it live. Fun for personal websites.
Generate a range of tints and shades from a single hex color. Ideal for data visualization, UI design systems, and Tailwind custom palette creation. Local tool.
Adjust margin, border, padding, and content sizes interactively and see the rendered box model. Get the exact CSS. Teach or learn layout.
Paste your CSS and see warnings for properties that have limited browser support. Links to CanIUse. Modernize safely.
Toggle contain: strict, content, paint, layout and see how it affects rendering. Understand isolation for faster pages.
Generate a random HTML/CSS card with different box model properties. Inspect and guess the size. For learners.
Create a simple 4-shaft weaving draft by clicking warp/weft threads. See plain weave, twill, satin. Educational for weavers. Local only.
Build a .editorconfig file by setting indentation, charset, and end‑of‑line rules for your project. Keep all contributors aligned.
Understand @layer by visually ordering style layers and seeing which rules win. Fix specificity battles. Modern CSS architecture.
Enter container width, number of items, gap, and flex‑basis. See the resulting sizes instantly. Plan your flex layout.
Upload an image and get a suggested alt text description using a local vision model (WASM). Improve SEO and accessibility fast.
Set the inset property and see its logical shorthand equivalents. Copy the modern CSS for absolutely positioned elements.
Generate custom placeholder images for mockups and layouts. Specify dimensions, colors, and text. Export as PNG or use the generated data URI. Entirely browser-based.
Paste HTML/CSS snippets or enter properties to test how z‑index and stacking contexts interact. Real‑time example.
Set tab‑size to any number and see how tabs are displayed in a pre element. Essential for code snippets.