diff --git a/src/textual/color.py b/src/textual/color.py
index e10a63f561..35dadb0e67 100644
--- a/src/textual/color.py
+++ b/src/textual/color.py
@@ -223,6 +223,7 @@ def clamped(self) -> Color:
         return color
 
     @property
+    @lru_cache(1024)
     def rich_color(self) -> RichColor:
         """This color encoded in Rich's Color class.