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