diff --git a/ameba-color-palette.css b/ameba-color-palette.css
index 04629e4..2ca5d9e 100644
--- a/ameba-color-palette.css
+++ b/ameba-color-palette.css
@@ -186,6 +186,9 @@
   --color-third-party-facebook-blue: var(--facebook-blue);
   --color-third-party-twitter-blue: var(--twitter-blue);
   --color-third-party-instagram-pink: var(--instagram-pink);
+  --color-third-party-apple-black: var(--apple-black);
+  --color-third-party-apple-white: var(--apple-white);
+  --color-third-party-youtube-red: var(--youtube-red);
   --color-third-party-amazon-yellow: var(--amazon-yellow);
   --color-third-party-amazon-black: var(--amazon-black);
   --color-third-party-rakuten-red: var(--rakuten-red);