Updated: August 2026 • Verified v1.2

CSS Neumorphism (Soft UI) Box-Shadow Generator

Creative & DesignDesign

Local Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.
Dual Shadow Synthesis: box-shadow: d px d px b px DarkColor, -d px -d px b px LightColor
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Understanding Your Results

Calculates complementary light and dark shadow vectors, subtle surface gradients, distance, blur, and curvature, rendering a live interactive preview and production CSS.

Practical Guidance & Next Steps

Neumorphism relies on the background color being the same as the element surface, using subtle highlights and drop-shadows to simulate extruded material.

What is this?

A visual design utility that creates tactile Neumorphic (Soft UI) CSS box-shadows and surface gradients.

How does it work?

1. Pick a surface shape: Flat, Concave, Convex, or Inset. 2. Adjust color, distance, blur, and border radius. 3. Copy the production CSS snippet in 1 click.

Why use it?

Quickly produces clean, mathematically balanced Soft UI shadows without manual color channel calculations.

Technical Scope & Calculation Limitations

Generates CSS3 dual box-shadow and linear-gradient syntax.

Frequently Asked Questions

Neumorphism (Soft UI) is a visual design trend that combines flat design with subtle skeuomorphic depth, using dual light and dark shadows to make flat elements appear extruded from the background.
Windows Desktop & Widget Options

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