Enable the accessibility audit for chrome://net-internals

chrome/browser/resources/net_internals/main.css

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* Only common styles should be declared here. */
 
 * {
   box-sizing: border-box;
 }
@@ skipping 85 matching lines @@
 
 .event-log a {
   font-weight: bold;
   text-decoration: none;
 }
 
 /**
  * Styling for text indicating a potential problem or error state.
  */
 .warning-text {
-  color: red;
+  color: rgb(238, 0, 0);
 }
 
 /**
  * Styling for help windows that appear when mousing over an element.
  */
 .mouse-over-help {
   background: #EEE;
   border: 1px solid black;
   font-size: 80%;
   padding: 5px;
   z-index: 1;
 }
 
 /**
  * Styling for elements that show a help window on mouse over.
  */
 .mouse-over-help-hover {
   color: blue;
   cursor: help;
 }