diff --git a/public/app/plugins/datasource/prometheus/components/monaco-query-field/MonacoQueryField.tsx b/public/app/plugins/datasource/prometheus/components/monaco-query-field/MonacoQueryField.tsx
index c9d72392276..5cc8dc8b771 100644
--- a/public/app/plugins/datasource/prometheus/components/monaco-query-field/MonacoQueryField.tsx
+++ b/public/app/plugins/datasource/prometheus/components/monaco-query-field/MonacoQueryField.tsx
@@ -88,7 +88,7 @@ const getStyles = (theme: GrafanaTheme2, placeholder: string) => {
       ::after {
         content: '${placeholder}';
         font-family: ${theme.typography.fontFamilyMonospace};
-        opacity: 0.3;
+        opacity: 0.6;
       }
     `,
   };