Design accessible, resizable (when appropriate) textareas with clear s
Label above, textarea with 3–6 line default height, optional prefix/suffix for context, helper text below, and error text inline. Padding 12–14px vertical, 14–16px horizontal; border 1px neutral; radius 6–8px.
Default/hover/focus with focus ring per tokens.
Error/success: border + icon + message using semantic colors.
Disabled/read-only: muted text, neutral bg, no resize handle.
Labels, Help, and Placeholders
Always provide a visible label. Helper text for instructions; placehol
Character/Limits & Counters
For capped inputs, show live counter (e.g., “120/200”). Use soft warnings near 90–95% of limit. Ensure screen readers announce limits via aria-describedby .
Frequently asked questions
What is the recommended layout for textareas on mobile devices?
Full width on mobile; height adapts to content up to a max with scroll. Keep touch targets 44px min for controls; resize handle optional on desktop only.
How should I associate a label with a textarea using HTML?
Associate label with textarea via for/id . Use aria-describedby for helper/error/counter. Ensure error not just color—include text/icon. Maintain contrast AA.
How should I include copyright information within a textarea component?
© 2024 AI Usage by Countries. Textarea components.
What is the last updated date for this design system documentation?
Last updated: 2024 | Design System
▶ Try it live
Everything above runs in your browser — open Hash Function Avalanche Visualizer and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.