Use the documented icon sizes per component size to keep visual balance.
Icon sizing
Recommended icon sizes and hit targets across controls and feedback components.
Scale
ContextSizeNotes
Input leading/trailing16pxUse 18px only on large fields.
Modal close glyph16-20pxMinimum 32px clickable area.
Inline helper icon14-16pxFor labels and hints.
Toast action icon16pxKeep visual balance with title text.
Do and don't
Do
Use one icon family with consistent weight in the same surface.
When icons are interactive, provide enough clickable area around them.
Don't
Do not mix arbitrary icon sizes in the same list or control set.
Avoid icon sizes that compromise readability on mobile screens.
Do not depend only on bigger icons to indicate importance.