Limited support Use with care and confirm browser support before shipping it to all users.

Browser support

Feature Desktop Mobile
Chrome
Edge
Firefox
Safari
Chrome Android
Safari iOS
OpenType COLRv1
98
98
107
98
1+Supported (version) Not supported Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)

Syntax

CSS
@font-face {
  font-family: 'RichIcons';
  src: url('icons-colrv1.woff2') format('woff2');
}
.emoji {
  font-family: 'RichIcons';
}

Live demo

col-font

CSS col-font demo.

PreviewFullscreen

palettetoggle

CSS palettetoggle demo.

PreviewFullscreen

Resize

CSS Sizechange demo.

PreviewFullscreen

Use cases

  • Refine text rhythm

    Use COLRv1 to make long-form reading or dense interface copy easier to scan and understand.

  • Support language nuances

    Apply COLRv1 when different writing systems or typographic conventions need more deliberate control.

Cautions

  • Test COLRv1 in the browsers you support, especially if it changes layout, text handling, or interaction behavior.
  • Plan a fallback or acceptable degradation path when support is still limited.

Accessibility

  • Check readability with zoom, narrow screens, and mixed-language content so text remains understandable.