diff --git a/source/stylesheets/screen.css.scss b/source/stylesheets/screen.css.scss
index 6a09baf0..73906137 100644
--- a/source/stylesheets/screen.css.scss
+++ b/source/stylesheets/screen.css.scss
@@ -4,3 +4,12 @@
 .technical-documentation .table-container td > code {
   white-space: nowrap;
 }
+
+// Temporarily override syntax highlighting to fix poor contrast for comments.
+.highlight .c,
+.highlight .cm,
+.highlight .cp,
+.highlight .c1,
+.highlight .cs { /* Comment.Special */
+  color: govuk-functional-colour(secondary-text);
+}
\ No newline at end of file