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CSS & Design

Design Token → CSS Variables

Convert JSON design tokens into root CSS variables.

Color, Typography & Image Studio

CMYK ↔ RGB ↔ HEX Color Converter

HEX COLOR CODE
#ff0000
RGB(255, 0, 0)
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Tool Documentation & Architecture

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.

Step-by-Step Guide

How to Use Design Token → CSS Variables

1

Step 1

Paste your design tokens JSON into the input editor.

2

Step 2

Set optional variable prefix and selector scope (default: `:root`).

3

Step 3

Review the generated CSS custom properties block.

4

Step 4

Click "Copy CSS Variables".

Industry Scenarios

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"]`).

Sample Data & Transformation

Input & Output Examples

Converting Token JSON to CSS Variables

Input Sample:
`{ "color": { "primary": { "$value": "#3b82f6" } } }`
Processed Result:
`:root {\n  --color-primary: #3b82f6;\n}`
Technical Capabilities

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.
Technical Glossary

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.

Frequently Asked Questions (PAA)

Design Token → CSS Variables FAQs

Yes! Aliased token references are automatically resolved and linked as CSS `var(--color-brand-500)` calls.
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