diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index ab01f0ff..873eb828 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -1749,7 +1749,7 @@
         },
         {
             "title": "Chromecast",
-            "hex": "1BB6F6",
+            "hex": "999999",
             "source": "https://www.google.com/intl/en_us/chromecast/built-in/",
             "aliases": {
                 "aka": [
@@ -3937,7 +3937,7 @@
         },
         {
             "title": "Google Classroom",
-            "hex": "4285F4",
+            "hex": "0F9D58",
             "source": "https://classroom.google.com/"
         },
         {