diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index d8985ca138..9893915a4a 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -91,3 +91,4 @@ The following people have contributed to the development of Rich:
 - [L. Yeung](https://github.com/lewis-yeung)
 - [chthollyphile](https://github.com/chthollyphile)
 - [Jonathan Helmus](https://github.com/jjhelmus)
+- [Brandon Capener](https://github.com/bcapener)
diff --git a/rich/style.py b/rich/style.py
index 262fd6ecad..835d06f3eb 100644
--- a/rich/style.py
+++ b/rich/style.py
@@ -524,7 +524,7 @@ def parse(cls, style_definition: str) -> "Style":
                 if not word:
                     raise errors.StyleSyntaxError("color expected after 'on'")
                 try:
-                    Color.parse(word) is None
+                    Color.parse(word)
                 except ColorParseError as error:
                     raise errors.StyleSyntaxError(
                         f"unable to parse {word!r} as background color; {error}"