diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index e1327e165..467232c7a 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -10934,8 +10934,9 @@
         },
         {
             "title": "OSGeo",
-            "hex": "5CAE58",
-            "source": "https://www.osgeo.org"
+            "hex": "4CB05B",
+            "source": "https://www.osgeo.org",
+            "guidelines": "https://www.osgeo.org/about/branding-material/"
         },
         {
             "title": "Oshkosh",