diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -9,7 +9,7 @@
   'names' => array(
     'conpherence.pkg.css' => 'e68cf1fa',
     'conpherence.pkg.js' => '15191c65',
-    'core.pkg.css' => 'c30f6eaa',
+    'core.pkg.css' => 'cb8ae4dc',
     'core.pkg.js' => 'e1f0f7bd',
     'differential.pkg.css' => '06dc617c',
     'differential.pkg.js' => 'c2ca903a',
@@ -131,7 +131,7 @@
     'rsrc/css/phui/object-item/phui-oi-color.css' => 'cd2b9b77',
     'rsrc/css/phui/object-item/phui-oi-drag-ui.css' => '08f4ccc3',
     'rsrc/css/phui/object-item/phui-oi-flush-ui.css' => '9d9685d6',
-    'rsrc/css/phui/object-item/phui-oi-list-view.css' => 'ae1404ba',
+    'rsrc/css/phui/object-item/phui-oi-list-view.css' => '7c5c1291',
     'rsrc/css/phui/object-item/phui-oi-simple-ui.css' => 'a8beebea',
     'rsrc/css/phui/phui-action-list.css' => '0bcd9a45',
     'rsrc/css/phui/phui-action-panel.css' => 'b4798122',
@@ -838,7 +838,7 @@
     'phui-oi-color-css' => 'cd2b9b77',
     'phui-oi-drag-ui-css' => '08f4ccc3',
     'phui-oi-flush-ui-css' => '9d9685d6',
-    'phui-oi-list-view-css' => 'ae1404ba',
+    'phui-oi-list-view-css' => '7c5c1291',
     'phui-oi-simple-ui-css' => 'a8beebea',
     'phui-pager-css' => 'edcbc226',
     'phui-pinboard-view-css' => '2495140e',
diff --git a/src/applications/differential/view/DifferentialRevisionListView.php b/src/applications/differential/view/DifferentialRevisionListView.php
--- a/src/applications/differential/view/DifferentialRevisionListView.php
+++ b/src/applications/differential/view/DifferentialRevisionListView.php
@@ -229,22 +229,30 @@
     $classes = array();
     $classes[] = 'differential-revision-size';
 
+    $tip = array();
+    $tip[] = pht('%s Lines', new PhutilNumber($n));
+
     if ($plus_count <= 1) {
       $classes[] = 'differential-revision-small';
+      $tip[] = pht('Smaller Change');
     }
 
     if ($plus_count >= 4) {
       $classes[] = 'differential-revision-large';
+      $tip[] = pht('Larger Change');
     }
 
+    $tip = phutil_implode_html(" \xC2\xB7 ", $tip);
+
     return javelin_tag(
       'span',
       array(
         'class' => implode(' ', $classes),
         'sigil' => 'has-tooltip',
         'meta' => array(
-          'tip' => pht('%s Lines', new PhutilNumber($n)),
+          'tip' => $tip,
           'align' => 'E',
+          'size' => 400,
         ),
       ),
       $size);
diff --git a/webroot/rsrc/css/phui/object-item/phui-oi-list-view.css b/webroot/rsrc/css/phui/object-item/phui-oi-list-view.css
--- a/webroot/rsrc/css/phui/object-item/phui-oi-list-view.css
+++ b/webroot/rsrc/css/phui/object-item/phui-oi-list-view.css
@@ -697,22 +697,26 @@
 
 .differential-revision-size .phui-icon-view {
   margin: 0 1px 0 1px;
-  font-size: smaller;
-  color: {$blueborder};
+  font-size: 7px;
+  position: relative;
+  top: -2px;
+  color: {$lightbluetext};
 }
 
 .differential-revision-large {
-  background: {$sh-redbackground};
+  background: {$sh-orangebackground};
 }
 
+/* NOTE: These are intentionally using nonstandard colors, see T13127. */
+
 .differential-revision-large .phui-icon-view {
-  color: {$red};
+  color: #e5ae7e;
 }
 
 .differential-revision-small {
-  background: {$sh-greenbackground};
+  background: #f2f7ff;
 }
 
 .differential-revision-small .phui-icon-view {
-  color: {$green};
+  color: #6699ba;
 }