Change highlight color for higher contrast

in in-page search settings feature

app/assets/javascripts/search_settings/constants.js

@@ -5,7 +5,7 @@ export const EXCLUDED_NODES = ['OPTION'];
 export const HIDE_CLASS = 'gl-display-none';
 
 // used to highlight the text that matches the * search term
-export const HIGHLIGHT_CLASS = 'gl-bg-orange-50';
+export const HIGHLIGHT_CLASS = 'gl-bg-orange-100';
 
 // How many seconds to wait until the user * stops typing
 export const TYPING_DELAY = 400;

spec/support/shared_examples/features/search_settings_shared_examples.rb

@@ -25,7 +25,7 @@ RSpec.shared_examples 'can highlight results' do |search_term|
   end
 
   it 'highlights the search terms' do
-    selector = '.gl-bg-orange-50'
+    selector = '.gl-bg-orange-100'
     fill_in SearchHelpers::INPUT_PLACEHOLDER, with: search_term
 
     expect(page).to have_css(selector)