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
@@ -30,6 +30,7 @@ $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(),
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
@@ -176,6 +176,42 @@ final class CeleritySpriteGenerator {
     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');
 
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