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NeatUtility

CSS Gradient Generator & Inspector

Color & CSS100% Client-Side
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About this tool, examples & FAQ

Design and export modern CSS3 linear, radial, and conic gradients with multi-stop color controls, degree angle presets, fallback colors, and Tailwind utility classes.

Key facts

Verified capabilities and limits of this utility
CSS specificationW3C CSS Images Module Level 3 & Level 4 (§3 Gradients)
Supported gradient typeslinear-gradient(), radial-gradient(), and conic-gradient()
Tailwind CSS integrationGenerates copyable Tailwind arbitrary value classes (e.g. bg-[linear-gradient(...)])
Max input size10 KB
Execution deadline1 s
Processing locationBrowser-only: gradient calculation runs locally in a Web Worker

How to use

  1. Select your desired gradient type: Linear, Radial, or Conic.
  2. Adjust gradient angle (0° to 360°) for directional linear and conic gradients.
  3. Enter color stops with optional positions (e.g. '#3b82f6 0%, #8b5cf6 50%, #ec4899 100%').
  4. Choose export format: CSS Declarations, Tailwind CSS, or Gradient Model (JSON).
  5. Click 'Run' or press Ctrl+Enter to generate copy-ready CSS gradient declarations.

Example

Generate 135deg three-stop linear gradient

Input

Example output

/* Fallback background color */
background-color: #3b82f6;
/* Modern standard CSS gradient */
background-image: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);

Edge cases

Automatic color stop distribution

When position percentages are omitted from intermediate color stops, positions are calculated and distributed evenly along the gradient axis.

Legacy browser fallback generation

Automatically extracts the initial color stop to emit a solid background-color declaration for environments where CSS gradients are unsupported.

Directional keyword to degree conversion

Parses CSS direction keywords like 'to right' (90deg) and 'to bottom right' (135deg) into standardized degree angles.

How it works

  1. Parses incoming CSS gradient functions or color stop lists into discrete color and stop records.
  2. Calculates angles, radial shapes (circle vs ellipse), or conic starting angles.
  3. Formats modern standard CSS3/CSS4 gradient syntax alongside solid fallback colors.
  4. Exports Tailwind CSS arbitrary value utility classes formatted with proper underscore replacements.

Frequently asked questions

What is a CSS gradient?

A CSS gradient is a synthetic image created by the browser that displays smooth progressive transitions between two or more specified colors. Because gradients are treated as images, they are applied via the background-image property.

How do I use this gradient in Tailwind CSS?

Select the 'Tailwind CSS' operation. It generates an arbitrary value class such as bg-[linear-gradient(135deg,#3b82f6_0%,#8b5cf6_50%,#ec4899_100%)] where spaces are encoded with underscores according to Tailwind syntax rules.

Are my color values sent to any external server?

No. All gradient math, parsing, and code generation executes strictly in your browser via a client-side Web Worker.

References