diff --git a/arcade/types.py b/arcade/types.py
index a6a5b6190..e6be602db 100644
--- a/arcade/types.py
+++ b/arcade/types.py
@@ -306,7 +306,7 @@ def from_normalized(cls, color_normalized: RGBANormalized) -> Self:
 
         if _a:
             if len(_a) > 1:
-                raise ValueError("color_normalized must unpack to 3 or 3 values")
+                raise ValueError("color_normalized must unpack to 3 or 4 values")
             a = _a[0]
 
             if not 0.0 <= a <= 1.0: