HTML Link & Heading Extractor
About CSS Variable Generator
The CSS Custom Properties (`--var`) Generator creates organized `:root` and theme-scoped CSS variables for color palettes, typography scales, spacing systems, border radii, shadows, and z-indexes.
How to Use CSS Variable Generator
Step 1
Customize colors, font families, base spacing, and border radius tokens.
Step 2
Review the generated `:root` CSS custom properties block in the preview editor.
Step 3
Click "Copy CSS Variables" or "Export SCSS".
Practical Use Cases for CSS Variable Generator
Building a Centralized CSS Design Token System
Generate standardized `:root { --color-primary: #3b82f6; --font-sans: ...; }` custom properties for scalable web design systems.
Implementing Dark & Light Theme Variables
Generate synchronized `:root` and `[data-theme="dark"]` CSS variable blocks for instant runtime theme switching.
Input & Output Examples
Generating Design System CSS Variables
Primary: `#3b82f6`, Base Font: `16px`, Radius: `8px`
`:root {\n --primary: #3b82f6;\n --font-base: 16px;\n --radius-md: 8px;\n}`Key Features & Performance
- ✓Interactive configurator for Colors, Spacing, Typography, Shadows, Borders, and Z-Index layers.
- ✓Generates Light and Dark mode theme pairs (`:root` and `[data-theme="dark"]`).
- ✓Exports to Vanilla CSS variables, SCSS variables (`$var`), or Tailwind `theme.extend` config.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy CSS variables.
Key Terminology & Definitions
CSS Custom Properties (`--*`)
Entities defined by CSS authors that contain specific values to be reused throughout a document using the `var()` function.
Design Tokens
The visual design atoms of the design system—specifically named entities that store visual design attributes (colors, spacing, typography).