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Guide

Typography for Developers

Typography for developers who write CSS: learn measure, contrast, type scale, line height, weight, spacing, and consistency with interactive demos — no design degree required.

Typography for developers is not about pairing fonts or learning history — it is about seven CSS variables that determine whether text works on a screen. Grade is built for front-end engineers, product developers, and designers who ship code.

What developers need from typography

You need numbers you can paste into CSS, a mental model of what affects readability, and a way to see rules in context — not abstract guidelines detached from your components.

  • Paste-ready CSS at the end of every lesson
  • Interactive demos embedded in the article prose
  • Research-backed defaults, not encyclopedic options
  • Focus on readability variables, not font aesthetics

Start here

If you write CSS for text-heavy UIs — docs, dashboards, marketing pages, settings — start with the measure lesson (line length), then contrast (WCAG). Those two fixes address the majority of readability failures in production interfaces.

Interactive lessons

Related guides

Glossary

Frequently asked questions

Do developers need to learn typography?
If your interface shows text, yes — at least the measurable variables: line length, contrast, scale, line height, weight, spacing, and consistency. These are CSS decisions with clear defaults.
Is Grade a typography course or a tool?
Grade is an interactive educational site — seven lessons with demos. It does not audit live websites or assign scores. It teaches defaults and lets you experiment with each variable.