diff --git a/pep_sphinx_extensions/pep_theme/static/style.css b/pep_sphinx_extensions/pep_theme/static/style.css
index 036a4b5d692..b761d0d2457 100644
--- a/pep_sphinx_extensions/pep_theme/static/style.css
+++ b/pep_sphinx_extensions/pep_theme/static/style.css
@@ -53,7 +53,7 @@
 }
 
 img.invert-in-dark-mode {
-    filter: var(--dark, invert(1));
+    filter: var(--dark, invert(1) hue-rotate(.5turn));
 }
 
 /* Set master rules */