All Octicons
triangle-up
Octicon sizes navigation
React
import {TriangleUpIcon} from '@primer/octicons-react' <TriangleUpIcon size={16} />
Rails
<%= render(Primer::Beta::Octicon.new(:"triangle-up", size: :small)) %>
Jekyll
{% octicon triangle-up height:16 %}
Figma
This icon is called triangle-up
in Primer's Octicons library.