Accessible motion: new guidance and motion tokens for motion-sensitive users
Design · 4 min read
Motion tokens—parameters for duration, easing, amplitude, and complexity—allow designers to declare motion intent at a system level. When combined with user preference states (like reduced-motion) they enable components to automatically resolve to accessible alternatives: simplified transitions, instant state changes, or contextual affordance swaps.
Guidance emphasizes progressive disclosure: animations used to indicate change can be replaced with persistent visual markers or verbal announcements; non-essential motion should never be the sole method of conveying information. The documentation also includes test heuristics and touchstone scenarios to validate experiences with people who have vestibular conditions.
Several design system teams have published migration playbooks to help front-end teams replace hard-coded animation snippets with token-driven implementations. Designers report this reduces inconsistency and cut remediation time during accessibility audits, since motion behavior is now controlled in a single place.