diff --git a/components/banner.mdx b/components/banner.mdx
index 83267f3cf..26077b1db 100644
--- a/components/banner.mdx
+++ b/components/banner.mdx
@@ -3,7 +3,7 @@ title: "Banner"
 description: "Add a banner to display important site-wide announcements and notifications"
 ---
 
-Use banners to display important announcements, updates, or notifications across your entire documentation site. Banners appear at the top of every page, support Markdown formatting, and can be made dismissible.
+Use banners to display important announcements, updates, or notifications across your entire documentation site. Banners appear at the top of every page, support Markdown formatting, and can be made dismissible. Banners use the color defined by the `colors.dark` property in your `docs.json`.
 
 To add a banner, use the `banner` property in your `docs.json`: