Design
Design tokens are a contract, not a palette
A token file is not a list of colours. It is a promise between design and code about what may change, and what may not.
Design
Interfaces, type, tokens and the decisions behind them.
Design
Reading width is a design decision
Long lines look elegant in a mockup and tire readers in real life. How I set the measure for this blog, and why it stops at 65 characters.