diff --git a/resources/sprite/conpher_1x/calendar_off.png b/resources/sprite/conpher_1x/calendar_off.png
new file mode 100644
index 0000000000..d4bbae5dfe
Binary files /dev/null and b/resources/sprite/conpher_1x/calendar_off.png differ
diff --git a/resources/sprite/conpher_1x/calendar_on.png b/resources/sprite/conpher_1x/calendar_on.png
new file mode 100644
index 0000000000..9759fc0546
Binary files /dev/null and b/resources/sprite/conpher_1x/calendar_on.png differ
diff --git a/resources/sprite/conpher_1x/files_off.png b/resources/sprite/conpher_1x/files_off.png
new file mode 100644
index 0000000000..0eb7e3996d
Binary files /dev/null and b/resources/sprite/conpher_1x/files_off.png differ
diff --git a/resources/sprite/conpher_1x/files_on.png b/resources/sprite/conpher_1x/files_on.png
new file mode 100644
index 0000000000..5699ec5f00
Binary files /dev/null and b/resources/sprite/conpher_1x/files_on.png differ
diff --git a/resources/sprite/conpher_1x/list_off.png b/resources/sprite/conpher_1x/list_off.png
new file mode 100644
index 0000000000..5f64e19b74
Binary files /dev/null and b/resources/sprite/conpher_1x/list_off.png differ
diff --git a/resources/sprite/conpher_1x/list_on.png b/resources/sprite/conpher_1x/list_on.png
new file mode 100644
index 0000000000..5f104f217d
Binary files /dev/null and b/resources/sprite/conpher_1x/list_on.png differ
diff --git a/resources/sprite/conpher_1x/more_off.png b/resources/sprite/conpher_1x/more_off.png
new file mode 100644
index 0000000000..bd65726e00
Binary files /dev/null and b/resources/sprite/conpher_1x/more_off.png differ
diff --git a/resources/sprite/conpher_1x/more_on.png b/resources/sprite/conpher_1x/more_on.png
new file mode 100644
index 0000000000..d6c1c6b12a
Binary files /dev/null and b/resources/sprite/conpher_1x/more_on.png differ
diff --git a/resources/sprite/conpher_1x/people_off.png b/resources/sprite/conpher_1x/people_off.png
new file mode 100644
index 0000000000..372f5ecd05
Binary files /dev/null and b/resources/sprite/conpher_1x/people_off.png differ
diff --git a/resources/sprite/conpher_1x/people_on.png b/resources/sprite/conpher_1x/people_on.png
new file mode 100644
index 0000000000..87fd885951
Binary files /dev/null and b/resources/sprite/conpher_1x/people_on.png differ
diff --git a/resources/sprite/conpher_1x/settings_off.png b/resources/sprite/conpher_1x/settings_off.png
new file mode 100644
index 0000000000..d75b0f1fb7
Binary files /dev/null and b/resources/sprite/conpher_1x/settings_off.png differ
diff --git a/resources/sprite/conpher_1x/settings_on.png b/resources/sprite/conpher_1x/settings_on.png
new file mode 100644
index 0000000000..f90ca7820d
Binary files /dev/null and b/resources/sprite/conpher_1x/settings_on.png differ
diff --git a/resources/sprite/conpher_2x/calendar_off.png b/resources/sprite/conpher_2x/calendar_off.png
new file mode 100644
index 0000000000..b807c6457e
Binary files /dev/null and b/resources/sprite/conpher_2x/calendar_off.png differ
diff --git a/resources/sprite/conpher_2x/calendar_on.png b/resources/sprite/conpher_2x/calendar_on.png
new file mode 100644
index 0000000000..b60e94dc02
Binary files /dev/null and b/resources/sprite/conpher_2x/calendar_on.png differ
diff --git a/resources/sprite/conpher_2x/conversation_off.png b/resources/sprite/conpher_2x/conversation_off.png
new file mode 100644
index 0000000000..5c50e5ccfd
Binary files /dev/null and b/resources/sprite/conpher_2x/conversation_off.png differ
diff --git a/resources/sprite/conpher_2x/conversation_on.png b/resources/sprite/conpher_2x/conversation_on.png
new file mode 100644
index 0000000000..8d1bf1435d
Binary files /dev/null and b/resources/sprite/conpher_2x/conversation_on.png differ
diff --git a/resources/sprite/conpher_2x/files_off.png b/resources/sprite/conpher_2x/files_off.png
new file mode 100644
index 0000000000..b593b1437f
Binary files /dev/null and b/resources/sprite/conpher_2x/files_off.png differ
diff --git a/resources/sprite/conpher_2x/files_on.png b/resources/sprite/conpher_2x/files_on.png
new file mode 100644
index 0000000000..a31547d8d9
Binary files /dev/null and b/resources/sprite/conpher_2x/files_on.png differ
diff --git a/resources/sprite/conpher_2x/list_off.png b/resources/sprite/conpher_2x/list_off.png
new file mode 100644
index 0000000000..a9add168df
Binary files /dev/null and b/resources/sprite/conpher_2x/list_off.png differ
diff --git a/resources/sprite/conpher_2x/list_on.png b/resources/sprite/conpher_2x/list_on.png
new file mode 100644
index 0000000000..0214b6b0ca
Binary files /dev/null and b/resources/sprite/conpher_2x/list_on.png differ
diff --git a/resources/sprite/conpher_2x/more_off.png b/resources/sprite/conpher_2x/more_off.png
new file mode 100644
index 0000000000..ce90ebc722
Binary files /dev/null and b/resources/sprite/conpher_2x/more_off.png differ
diff --git a/resources/sprite/conpher_2x/more_on.png b/resources/sprite/conpher_2x/more_on.png
new file mode 100644
index 0000000000..9b2b0f4321
Binary files /dev/null and b/resources/sprite/conpher_2x/more_on.png differ
diff --git a/resources/sprite/conpher_2x/people_off.png b/resources/sprite/conpher_2x/people_off.png
new file mode 100644
index 0000000000..ad51a2427d
Binary files /dev/null and b/resources/sprite/conpher_2x/people_off.png differ
diff --git a/resources/sprite/conpher_2x/people_on.png b/resources/sprite/conpher_2x/people_on.png
new file mode 100644
index 0000000000..ff42ad8f95
Binary files /dev/null and b/resources/sprite/conpher_2x/people_on.png differ
diff --git a/resources/sprite/conpher_2x/settings_off.png b/resources/sprite/conpher_2x/settings_off.png
new file mode 100644
index 0000000000..c25d7905ac
Binary files /dev/null and b/resources/sprite/conpher_2x/settings_off.png differ
diff --git a/resources/sprite/conpher_2x/settings_on.png b/resources/sprite/conpher_2x/settings_on.png
new file mode 100644
index 0000000000..2aa6501876
Binary files /dev/null and b/resources/sprite/conpher_2x/settings_on.png differ
diff --git a/resources/sprite/manifest/conph.json b/resources/sprite/manifest/conph.json
new file mode 100644
index 0000000000..f6cdb6dbb8
--- /dev/null
+++ b/resources/sprite/manifest/conph.json
@@ -0,0 +1,71 @@
+{
+  "version" : 1,
+  "sprites" : {
+    "conpher_calendar_off" : {
+      "name" : "conpher_calendar_off",
+      "rule" : "conpher_calendar_off",
+      "hash" : "a8228ab90fd90f4c2500d9285179bf26"
+    },
+    "conpher_calendar_on"  : {
+      "name" : "conpher_calendar_on",
+      "rule" : "conpher_calendar_on",
+      "hash" : "931243bc3c414782ddb2d1d9607908ba"
+    },
+    "conpher_files_off"    : {
+      "name" : "conpher_files_off",
+      "rule" : "conpher_files_off",
+      "hash" : "de1aee01b9b47b354e6ac280ae68bae1"
+    },
+    "conpher_files_on"     : {
+      "name" : "conpher_files_on",
+      "rule" : "conpher_files_on",
+      "hash" : "9ccbbd5e86fd4ec87a11aee0c9ec8c60"
+    },
+    "conpher_list_off"     : {
+      "name" : "conpher_list_off",
+      "rule" : "conpher_list_off",
+      "hash" : "2611311d0c2aec04416433be74d3a30e"
+    },
+    "conpher_list_on"      : {
+      "name" : "conpher_list_on",
+      "rule" : "conpher_list_on",
+      "hash" : "cee6de0301c84b0d195282642642afa0"
+    },
+    "conpher_more_off"     : {
+      "name" : "conpher_more_off",
+      "rule" : "conpher_more_off",
+      "hash" : "3b7099bdde20a13864b48552b11e92c3"
+    },
+    "conpher_more_on"      : {
+      "name" : "conpher_more_on",
+      "rule" : "conpher_more_on",
+      "hash" : "b146f0cff9c2e5f0b57f7ebcfe0704d3"
+    },
+    "conpher_people_off"   : {
+      "name" : "conpher_people_off",
+      "rule" : "conpher_people_off",
+      "hash" : "641a6a21aa32a12416e85caf8a22e340"
+    },
+    "conpher_people_on"    : {
+      "name" : "conpher_people_on",
+      "rule" : "conpher_people_on",
+      "hash" : "f13745fd7036564eefb1c0ebc3502a92"
+    },
+    "conpher_settings_off" : {
+      "name" : "conpher_settings_off",
+      "rule" : "conpher_settings_off",
+      "hash" : "aa9ab000d9e33e3c50c2fe70367f30b4"
+    },
+    "conpher_settings_on"  : {
+      "name" : "conpher_settings_on",
+      "rule" : "conpher_settings_on",
+      "hash" : "a5fe22965997f9559800ca7db5ea32c8"
+    }
+  },
+  "scales"  : [
+    1,
+    2
+  ],
+  "header"  : "\/**\n * @provides sprite-conpher-css\n * @generated\n *\/\n\n.sprite-conpher {\n  background-image: url(\/rsrc\/image\/sprite-conpher.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-conpher {\n    background-image: url(\/rsrc\/image\/sprite-conpher-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
+  "type"    : "standard"
+}
diff --git a/scripts/celerity/generate_sprites.php b/scripts/celerity/generate_sprites.php
index 1a337e2c63..1ac4d0fc2c 100755
--- a/scripts/celerity/generate_sprites.php
+++ b/scripts/celerity/generate_sprites.php
@@ -1,82 +1,83 @@
 #!/usr/bin/env php
 <?php
 
 require_once dirname(dirname(__FILE__)).'/__init_script__.php';
 
 $args = new PhutilArgumentParser($argv);
 $args->setTagline('regenerate CSS sprite sheets');
 $args->setSynopsis(<<<EOHELP
 **sprites**
     Rebuild CSS sprite sheets.
 
 EOHELP
 );
 $args->parseStandardArguments();
 $args->parse(
   array(
     array(
       'name'  => 'force',
       'help'  => 'Force regeneration even if sources have not changed.',
     ),
   ));
 
 $root = dirname(phutil_get_library_root('phabricator'));
 $webroot = $root.'/webroot/rsrc';
 $webroot = Filesystem::readablePath($webroot);
 
 $generator = new CeleritySpriteGenerator();
 
 $sheets = array(
   'icon' => $generator->buildIconSheet(),
   'menu' => $generator->buildMenuSheet(),
   'apps' => $generator->buildAppsSheet(),
+  'conph' => $generator->buildConpherenceSheet(),
   'apps-large' => $generator->buildAppsLargeSheet(),
 // TODO: @chad: should we actually remove this?
 //  'apps-xlarge' => $generator->buildAppsXLargeSheet(),
   'gradient' => $generator->buildGradientSheet(),
 );
 
 list($err) = exec_manual('optipng');
 if ($err) {
   $have_optipng = false;
   echo phutil_console_format(
     "<bg:red> WARNING </bg> `optipng` not found in PATH.\n".
     "Sprites will not be optimized! Install `optipng`!\n");
 } else {
   $have_optipng = true;
 }
 
 foreach ($sheets as $name => $sheet) {
   $manifest_path = $root.'/resources/sprite/manifest/'.$name.'.json';
   if (!$args->getArg('force')) {
     if (Filesystem::pathExists($manifest_path)) {
       $data = Filesystem::readFile($manifest_path);
       $data = json_decode($data, true);
       if (!$sheet->needsRegeneration($data)) {
         continue;
       }
     }
   }
 
   $sheet
     ->generateCSS($webroot."/css/sprite-{$name}.css")
     ->generateManifest($root."/resources/sprite/manifest/{$name}.json");
 
   foreach ($sheet->getScales() as $scale) {
     if ($scale == 1) {
       $sheet_name = "sprite-{$name}.png";
     } else {
       $sheet_name = "sprite-{$name}-X{$scale}.png";
     }
 
     $full_path = "{$webroot}/image/{$sheet_name}";
     $sheet->generateImage($full_path, $scale);
 
     if ($have_optipng) {
       echo "Optimizing...\n";
       phutil_passthru('optipng -o7 -clobber %s', $full_path);
     }
   }
 }
 
 echo "Done.\n";
diff --git a/src/infrastructure/celerity/CeleritySpriteGenerator.php b/src/infrastructure/celerity/CeleritySpriteGenerator.php
index c6b2ac23d0..bc25743b83 100644
--- a/src/infrastructure/celerity/CeleritySpriteGenerator.php
+++ b/src/infrastructure/celerity/CeleritySpriteGenerator.php
@@ -1,453 +1,489 @@
 <?php
 
 final class CeleritySpriteGenerator {
 
   public function buildIconSheet() {
     $icons = $this->getDirectoryList('icons_1x');
 
     $colors = array(
       '',
       'grey',
       'white',
     );
 
     $scales = array(
       '1x'  => 1,
       '2x'  => 2,
     );
 
     $template = id(new PhutilSprite())
       ->setSourceSize(14, 14);
 
     $sprites = array();
     foreach ($colors as $color) {
       foreach ($icons as $icon) {
         $prefix = 'icons_';
         if (strlen($color)) {
           $prefix .= $color.'_';
         }
 
         $suffix = '';
         if (strlen($color)) {
           $suffix = '-'.$color;
         }
 
         $sprite = id(clone $template)
           ->setName('action-'.$icon.$suffix);
 
         $tcss = array();
         $tcss[] = '.action-'.$icon.$suffix;
         if ($color == 'white') {
           $tcss[] = '.device-desktop .phabricator-action-view:hover '.
             '.action-'.$icon;
           if ($icon == 'new') {
             // Hover state for the "+" icons on homepage tiles.
             $tcss[] = '.phabricator-application-launch-create:hover '.
                       '.phabricator-application-create-icon.action-new-grey';
           }
         }
 
         $sprite->setTargetCSS(implode(', ', $tcss));
 
         foreach ($scales as $scale_key => $scale) {
           $path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
           $sprite->setSourceFile($path, $scale);
         }
         $sprites[] = $sprite;
       }
     }
 
     $remarkup_icons = $this->getDirectoryList('remarkup_1x');
     foreach ($remarkup_icons as $icon) {
       $prefix = 'remarkup_';
 
       // Strip 'text_' from these file names.
       $class_name = substr($icon, 5);
 
       $sprite = id(clone $template)
         ->setName('remarkup-assist-'.$icon)
         ->setTargetCSS('.remarkup-assist-'.$class_name);
       foreach ($scales as $scale_key => $scale) {
         $path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
         $sprite->setSourceFile($path, $scale);
       }
       $sprites[] = $sprite;
     }
 
     $sheet = $this->buildSheet('icon', true);
     $sheet->setScales($scales);
     foreach ($sprites as $sprite) {
       $sheet->addSprite($sprite);
     }
 
     return $sheet;
   }
 
   public function buildMenuSheet() {
     $sprites = array();
 
     $sources = array(
       'seen_read_all' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications .phabricator-main-menu-alert-icon',
       ),
       'seen_have_unread' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications:hover .phabricator-main-menu-alert-icon',
       ),
       'unseen_any' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications.alert-unread .phabricator-main-menu-alert-icon',
       ),
       'arrow-right' => array(
         'x' => 9,
         'y' => 31,
         'css' => '.phabricator-crumb-divider',
       ),
       'eye' => array(
         'x' => 24,
         'y' => 20,
         'css' => '.menu-icon-eye',
       ),
       'app' => array(
         'x' => 24,
         'y' => 20,
         'css' => '.menu-icon-app',
       ),
       'logo' => array(
         'x' => 139,
         'y' => 25,
         'css' => '.phabricator-main-menu-logo-image',
       ),
       'conf-off' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications .phabricator-main-menu-message-icon',
       ),
       'conf-hover' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications:hover .phabricator-main-menu-message-icon',
       ),
       'conf-unseen' => array(
         'x' => 14,
         'y' => 14,
         'css' =>
           '.alert-notifications.message-unread '.
           '.phabricator-main-menu-message-icon',
       ),
     );
 
     $scales = array(
       '1x' => 1,
       '2x' => 2,
     );
 
     $template = new PhutilSprite();
     foreach ($sources as $name => $spec) {
       $sprite = id(clone $template)
         ->setName($name)
         ->setSourceSize($spec['x'], $spec['y'])
         ->setTargetCSS($spec['css']);
 
       foreach ($scales as $scale_name => $scale) {
         $path = 'menu_'.$scale_name.'/'.$name.'.png';
         $path = $this->getPath($path);
 
         $sprite->setSourceFile($path, $scale);
       }
       $sprites[] = $sprite;
     }
 
     $sheet = $this->buildSheet('menu', true);
     $sheet->setScales($scales);
     foreach ($sprites as $sprite) {
       $sheet->addSprite($sprite);
     }
 
     return $sheet;
   }
 
+  public function buildConpherenceSheet() {
+    $icons = $this->getDirectoryList('conpher_1x');
+    $scales = array(
+      '1x' => 1,
+      '2x' => 2,
+    );
+    $template = id(new PhutilSprite())
+      ->setSourceSize(32, 32);
+
+    $sprites = array();
+      foreach ($icons as $icon) {
+      $color = preg_match('/_on/', $icon) ? 'on' : 'off';
+
+      $prefix = 'conpher_';
+
+      $sprite = id(clone $template)
+        ->setName($prefix.$icon);
+
+      $sprite->setTargetCSS($prefix.$icon);
+
+      foreach ($scales as $scale_key => $scale) {
+        $path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
+        $sprite->setSourceFile($path, $scale);
+      }
+      $sprites[] = $sprite;
+    }
+
+    $sheet = $this->buildSheet('conpher', true);
+    $sheet->setScales($scales);
+    foreach ($sprites as $sprite) {
+      $sheet->addSprite($sprite);
+    }
+
+    return $sheet;
+  }
+
   public function buildGradientSheet() {
     $gradients = $this->getDirectoryList('gradients');
 
     $template = new PhutilSprite();
 
     $unusual_heights = array(
       'dark-menu-label' => 25,
       'breadcrumbs'     => 31,
       'menu-hover'      => 28,
       'menu-label'      => 24,
       'menu-selected'   => 28,
     );
 
     // Reorder the sprites so less-specific rules generate earlier in the sheet.
     // Otherwise we end up with blue "a.black" buttons because the blue rules
     // have the same specificity but appear later.
     $gradients = array_fuse($gradients);
     $gradients = array_select_keys(
       $gradients,
       array(
         'blue-dark',
         'blue-light',
       )) + $gradients;
 
     $extra_css = array(
       'black-dark' => ', button.black, a.black, a.black:visited',
       'black-light' => ', button.black:active, a.black:active',
       'blue-dark' => ', button, a.button, a.button:visited, input.inputsubmit',
       'blue-light' => ', button:active, a.button:active',
       'grey-dark' => ', button.grey, input.inputaux, a.grey, a.grey:visited, '.
                         'a.button.disabled, button[disabled], button.disabled',
       'grey-light' => ', button.grey:active, a.grey:active, '.
                         'button.grey_active, a.dropdown-open',
       'green-dark' => ', button.green, a.green, a.green:visited',
       'green-light' => ', button.green:active, a.green:active',
       'dark-menu-label' =>
         ', .phabricator-dark-menu .phabricator-menu-item-type-label',
       'menu-label' =>
         ', .phabricator-side-menu .phabricator-menu-item-type-label',
       'menu-hover' =>
         ', .device-desktop .phabricator-side-menu '.
         'a.phabricator-menu-item-type-link:hover, '.
         '.phabricator-filetree a.phabricator-filetree-item:hover',
       'menu-selected' =>
         ', .phabricator-side-menu .phabricator-menu-item-selected, '.
         '.device-desktop .phabricator-side-menu '.
         'a.phabricator-menu-item-selected:hover, '.
         '.phabricator-nav-local a.phabricator-active-nav-focus',
     );
 
     $sprites = array();
     foreach ($gradients as $gradient) {
       $path = $this->getPath('gradients/'.$gradient.'.png');
       $sprite = id(clone $template)
         ->setName('gradient-'.$gradient)
         ->setSourceFile($path)
         ->setTargetCSS('.gradient-'.$gradient.idx($extra_css, $gradient));
 
       $sprite->setSourceSize(4, idx($unusual_heights, $gradient, 26));
 
       $sprites[] = $sprite;
     }
 
     $sheet = $this->buildSheet(
       'gradient',
       false,
       PhutilSpriteSheet::TYPE_REPEAT_X,
       ', button, a.button, a.button:visited, input.inputsubmit, '.
       '.phabricator-dark-menu .phabricator-menu-item-type-label, '.
       '.phabricator-side-menu .phabricator-menu-item-type-label, '.
       '.device-desktop .phabricator-side-menu '.
         'a.phabricator-menu-item-type-link:hover, '.
       '.phabricator-side-menu .phabricator-menu-item-selected, '.
       '.device-desktop .phabricator-side-menu '.
         'a.phabricator-menu-item-selected:hover, '.
       '.phabricator-filetree a.phabricator-filetree-item:hover, '.
       '.phabricator-filetree a.phabricator-active-nav-focus');
     foreach ($sprites as $sprite) {
       $sheet->addSprite($sprite);
     }
 
     return $sheet;
   }
 
   public function buildAppsSheet() {
     return $this->buildAppsSheetVariant(1);
   }
 
   public function buildAppsLargeSheet() {
     return $this->buildAppsSheetVariant(2);
   }
 
   public function buildAppsXLargeSheet() {
     return $this->buildAppsSheetVariant(3);
   }
 
   private function buildAppsSheetVariant($variant) {
 
     if ($variant == 1) {
       $scales = array(
         '1x' => 1,
         '2x' => 2,
       );
       $variant_name = 'apps';
       $variant_short = '';
       $size_x = 14;
       $size_y = 14;
 
       $colors = array(
         'dark'  => 'dark',
       );
     } else if ($variant == 2) {
       $scales = array(
         '2x' => 1,
         '4x' => 2,
       );
       $variant_name = 'apps-large';
       $variant_short = '-large';
       $size_x = 28;
       $size_y = 28;
 
       $colors = array(
         'light' => 'lb',
         'dark'  => 'dark',
         'blue'  => 'blue',
         'glow'  => 'glow',
       );
     } else {
       $scales = array(
         '4x' => 1,
       );
       $variant_name = 'apps-xlarge';
       $variant_short = '-xlarge';
       $size_x = 56;
       $size_y = 56;
 
       $colors = array(
         'dark'  => 'dark',
         /*
 
         TODO: These are available but not currently used.
 
         'blue'  => 'blue',
         'light' => 'lb',
         'glow'  => 'glow',
         */
       );
     }
 
 
     $apps = $this->getDirectoryList('apps_dark_1x');
 
     $template = id(new PhutilSprite())
       ->setSourceSize($size_x, $size_y);
 
     $sprites = array();
     foreach ($apps as $app) {
       foreach ($colors as $color => $color_path) {
 
         $css = '.app-'.$app.'-'.$color.$variant_short;
         if ($color == 'blue' && $variant_name == 'apps-large') {
           $css .= ', .phabricator-crumb-view:hover .app-'.$app.'-dark-large';
         }
         if ($color == 'glow' && $variant_name == 'apps-large') {
           $css .= ', .device-desktop .phabricator-dark-menu a:hover '.
                   '.app-'.$app.'-light-large';
         }
 
         $sprite = id(clone $template)
           ->setName('app-'.$app.'-'.$color.$variant_short)
           ->setTargetCSS($css);
 
         foreach ($scales as $scale_name => $scale) {
           $path = $this->getPath(
             'apps_'.$color_path.'_'.$scale_name.'/'.$app.'.png');
           $sprite->setSourceFile($path, $scale);
         }
 
         $sprites[] = $sprite;
       }
     }
 
     $sheet = $this->buildSheet($variant_name, count($scales) > 1);
     $sheet->setScales($scales);
     foreach ($sprites as $sprite) {
       $sheet->addSprite($sprite);
     }
 
     return $sheet;
   }
 
 
   private function getPath($to_path = null) {
     $root = dirname(phutil_get_library_root('phabricator'));
     return $root.'/resources/sprite/'.$to_path;
   }
 
   private function getDirectoryList($dir) {
     $path = $this->getPath($dir);
 
     $result = array();
 
     $images = Filesystem::listDirectory($path, $include_hidden = false);
     foreach ($images as $image) {
       if (!preg_match('/\.png$/', $image)) {
         throw new Exception(
           "Expected file '{$image}' in '{$path}' to be a sprite source ".
           "ending in '.png'.");
       }
       $result[] = substr($image, 0, -4);
     }
 
     return $result;
   }
 
   private function buildSheet(
     $name,
     $has_retina,
     $type = null,
     $extra_css = '') {
 
     $sheet = new PhutilSpriteSheet();
 
     $at = '@';
 
     switch ($type) {
       case PhutilSpriteSheet::TYPE_STANDARD:
       default:
         $type = PhutilSpriteSheet::TYPE_STANDARD;
         $repeat_rule = 'no-repeat';
         break;
       case PhutilSpriteSheet::TYPE_REPEAT_X:
         $repeat_rule = 'repeat-x';
         break;
       case PhutilSpriteSheet::TYPE_REPEAT_Y:
         $repeat_rule = 'repeat-y';
         break;
     }
 
     $retina_rules = null;
     if ($has_retina) {
       $retina_rules = <<<EOCSS
 @media
 only screen and (min-device-pixel-ratio: 1.5),
 only screen and (-webkit-min-device-pixel-ratio: 1.5) {
   .sprite-{$name}{$extra_css} {
     background-image: url(/rsrc/image/sprite-{$name}-X2.png);
     background-size: {X}px {Y}px;
   }
 }
 EOCSS;
     }
 
     $sheet->setSheetType($type);
     $sheet->setCSSHeader(<<<EOCSS
 /**
  * @provides sprite-{$name}-css
  * {$at}generated
  */
 
 .sprite-{$name}{$extra_css} {
   background-image: url(/rsrc/image/sprite-{$name}.png);
   background-repeat: {$repeat_rule};
 }
 
 {$retina_rules}
 
 EOCSS
 );
 
     return $sheet;
   }
 }
 
 
diff --git a/webroot/rsrc/css/sprite-conph.css b/webroot/rsrc/css/sprite-conph.css
new file mode 100644
index 0000000000..6b02619ebf
--- /dev/null
+++ b/webroot/rsrc/css/sprite-conph.css
@@ -0,0 +1,67 @@
+/**
+ * @provides sprite-conpher-css
+ * @generated
+ */
+
+.sprite-conpher {
+  background-image: url(/rsrc/image/sprite-conpher.png);
+  background-repeat: no-repeat;
+}
+
+@media
+only screen and (min-device-pixel-ratio: 1.5),
+only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+  .sprite-conpher {
+    background-image: url(/rsrc/image/sprite-conpher-X2.png);
+    background-size: 99px 132px;
+  }
+}
+
+
+conpher_calendar_off {
+  background-position: 0px 0px;
+}
+
+conpher_calendar_on {
+  background-position: -33px 0px;
+}
+
+conpher_files_off {
+  background-position: -66px 0px;
+}
+
+conpher_files_on {
+  background-position: 0px -33px;
+}
+
+conpher_list_off {
+  background-position: -33px -33px;
+}
+
+conpher_list_on {
+  background-position: -66px -33px;
+}
+
+conpher_more_off {
+  background-position: 0px -66px;
+}
+
+conpher_more_on {
+  background-position: -33px -66px;
+}
+
+conpher_people_off {
+  background-position: -66px -66px;
+}
+
+conpher_people_on {
+  background-position: 0px -99px;
+}
+
+conpher_settings_off {
+  background-position: -33px -99px;
+}
+
+conpher_settings_on {
+  background-position: -66px -99px;
+}
diff --git a/webroot/rsrc/image/sprite-conph-X2.png b/webroot/rsrc/image/sprite-conph-X2.png
new file mode 100644
index 0000000000..df789c68ef
Binary files /dev/null and b/webroot/rsrc/image/sprite-conph-X2.png differ
diff --git a/webroot/rsrc/image/sprite-conph.png b/webroot/rsrc/image/sprite-conph.png
new file mode 100644
index 0000000000..41d186ef5a
Binary files /dev/null and b/webroot/rsrc/image/sprite-conph.png differ