What is Design Token?
A named value for a visual property, like `color.primary` or `spacing.md`. Tokens connect your design file and codebase so they stay in sync.

color.primary · design = code
Design tokens connect...
Write it in your own words in the app.
In real work
Use design tokens for all colors and spacing. Reference color.surface.background and spacing.md. No hardcoded values.
In the illustration
The canister's value dial turns and both outlets change together: the swatch on the board and the stamped line in the code block.
Define a design token for spacing in your design tool on a 4px scale from xs to 2xl, and replace every raw padding value on the card with one.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.





