diff --git a/docs/content/1.getting-started/3.theme.md b/docs/content/1.getting-started/3.theme.md
index ac6d2db3..391bad02 100644
--- a/docs/content/1.getting-started/3.theme.md
+++ b/docs/content/1.getting-started/3.theme.md
@@ -229,6 +229,10 @@ export default defineConfig({
 
 ::
 
+::caution
+When configuring your theme colors, you must use either color names from the [default Tailwind palette](https://tailwindcss.com/docs/colors) (like 'blue', 'green', etc.) or reference custom colors that you've previously defined in your [CSS file](#theme).
+::
+
 ### Extend colors
 
 ::framework-only