CMYK ↔ RGB ↔ HEX Color Converter
About Design Token → CSS Variables
The Design Tokens (JSON) to CSS Custom Properties Converter transforms W3C DTCG and Style Dictionary JSON token files into clean, scoped `:root` and `[data-theme]` CSS variables with optional namespace prefixes.
How to Use Design Token → CSS Variables
Step 1
Paste your design tokens JSON into the input editor.
Step 2
Set optional variable prefix and selector scope (default: `:root`).
Step 3
Review the generated CSS custom properties block.
Step 4
Click "Copy CSS Variables".
Practical Use Cases for Design Token → CSS Variables
Compiling Figma Tokens Studio JSON to CSS Variables
Convert JSON token exports from Figma into copy-pasteable `:root { --color-primary: #3b82f6; }` stylesheets for web projects.
Building Scoped Theme Stylesheets
Transform multi-theme token files into light and dark CSS selector blocks (`:root` and `[data-theme="dark"]`).
Input & Output Examples
Converting Token JSON to CSS Variables
`{ "color": { "primary": { "$value": "#3b82f6" } } }``:root {\n --color-primary: #3b82f6;\n}`Key Features & Performance
- ✓Parses W3C DTCG format (`$value`), Style Dictionary format (`value`), and raw key-value JSON.
- ✓Flattens nested JSON object trees into clean kebab-case CSS variable names (`--category-group-token`).
- ✓Configurable custom prefix (e.g. `--app-` or `--ds-`).
- ✓100% Client-Side memory execution.
- ✓1-Click Copy CSS stylesheet.
Key Terminology & Definitions
Token Flattening
Converting deeply nested JSON object keys (`{ color: { text: { primary: ... } } }`) into hyphenated flat string keys (`--color-text-primary`).
Style Dictionary Format
The popular build system format developed by Amazon for exporting multi-platform design tokens.
