diff --git a/images/reference/index.md b/images/reference/index.md
index fabfcb8a..6e665dca 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -100,3 +100,4 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/access.svg" width="256" />	| <img src="/images/reference/access.png" width="256" />	| https://en.wikipedia.org/wiki/International_Symbol_of_Access|
 | <img src="/images/svg/ethereum.svg" width="256" />	| <img src="/images/reference/ethereum.svg" width="256" />	| https://www.ethereum.org/ |
 | <img src="/images/svg/opencast.svg" width="256" />	| <img src="/images/reference/opencast.svg" width="256" />	| http://www.opencast.org/ |
+| <img src="/images/svg/stackexchange.svg" width="256" />	| <img src="/images/reference/stackexchange.svg" width="256" />	| https://stackoverflow.com/company/logos |
diff --git a/images/reference/stackexchange.svg b/images/reference/stackexchange.svg
new file mode 100644
index 00000000..374f88a4
--- /dev/null
+++ b/images/reference/stackexchange.svg
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 120 120" style="enable-background:new 0 0 120 120;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#376DB6;}
+	.st1{fill:#4CA2DA;}
+	.st2{fill:#91D8F4;}
+	.st3{fill:#1E5397;}
+</style>
+<rect x="22.4" y="57.5" class="st0" width="74.8" height="15.4"/>
+<rect x="22.4" y="37.6" class="st1" width="74.8" height="15.4"/>
+<path class="st2" d="M85.5,17H34.4c-6.6,0-12,5.5-12,12.3v4h74.8v-4C97.2,22.5,92,17,85.5,17z"/>
+<path class="st3" d="M22.4,77.3v4c0,6.8,5.4,12.3,12,12.3h32v16.3l15.8-16.3h3.5c6.6,0,12-5.5,12-12.3v-4H22.4z"/>
+</svg>
diff --git a/images/svg/stackexchange.svg b/images/svg/stackexchange.svg
new file mode 100644
index 00000000..99a43356
--- /dev/null
+++ b/images/svg/stackexchange.svg
@@ -0,0 +1,6 @@
+<svg
+xmlns="http://www.w3.org/2000/svg"
+aria-label="Stack Exchange" role="img"
+viewBox="0 0 512 512"><rect width="512" height="512"
+fill="#242729"
+rx="15%"/><path fill="#376db6" d="M106 232.3h298v61.4H106z"/><path fill="#4ca2da" d="M106 153h298v61.4H106z"/><path fill="#91d8f4" d="M357.4 71H153.8a48.5 48.5 0 0 0-47.8 49v15.9h298v-16c0-27-20.7-49-46.6-49z"/><path fill="#1e5397" d="M106 311.2v16c0 27 21.5 49 47.8 49h127.5V441l63-65h13.9a48.5 48.5 0 0 0 47.8-49v-16z"/></svg>
diff --git a/radius.html b/radius.html
index e385cf13..301bd4f4 100644
--- a/radius.html
+++ b/radius.html
@@ -83,7 +83,7 @@
 			'plex',       'slack',       'xing',       'pinboard',   'internet_archive', 'samsunginternet',
 			'baidu',      'twitch',      'ok',         'pocket',     'stumbleupon',  'viber',
 			'workato',    'sketch',      'vlc',        'google_maps','access',       'ethereum',
-			'opencast'
+			'opencast', 'stackexchange'
 		 ];
 
 		var container = document.querySelector('.icons');