diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -3584,6 +3584,7 @@
     'PhabricatorProjectBoardReorderController' => 'applications/project/controller/PhabricatorProjectBoardReorderController.php',
     'PhabricatorProjectBoardViewController' => 'applications/project/controller/PhabricatorProjectBoardViewController.php',
     'PhabricatorProjectCardView' => 'applications/project/view/PhabricatorProjectCardView.php',
+    'PhabricatorProjectColorTransaction' => 'applications/project/xaction/PhabricatorProjectColorTransaction.php',
     'PhabricatorProjectColorsConfigOptionType' => 'applications/project/config/PhabricatorProjectColorsConfigOptionType.php',
     'PhabricatorProjectColumn' => 'applications/project/storage/PhabricatorProjectColumn.php',
     'PhabricatorProjectColumnDetailController' => 'applications/project/controller/PhabricatorProjectColumnDetailController.php',
@@ -8987,6 +8988,7 @@
     'PhabricatorProjectBoardReorderController' => 'PhabricatorProjectBoardController',
     'PhabricatorProjectBoardViewController' => 'PhabricatorProjectBoardController',
     'PhabricatorProjectCardView' => 'AphrontTagView',
+    'PhabricatorProjectColorTransaction' => 'PhabricatorProjectTransactionType',
     'PhabricatorProjectColorsConfigOptionType' => 'PhabricatorConfigJSONOptionType',
     'PhabricatorProjectColumn' => array(
       'PhabricatorProjectDAO',
diff --git a/src/applications/project/conduit/ProjectCreateConduitAPIMethod.php b/src/applications/project/conduit/ProjectCreateConduitAPIMethod.php
--- a/src/applications/project/conduit/ProjectCreateConduitAPIMethod.php
+++ b/src/applications/project/conduit/ProjectCreateConduitAPIMethod.php
@@ -52,13 +52,15 @@
 
     if ($request->getValue('icon')) {
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectIconTransaction::TRANSACTIONTYPE)
+        ->setTransactionType(
+            PhabricatorProjectIconTransaction::TRANSACTIONTYPE)
         ->setNewValue($request->getValue('icon'));
     }
 
     if ($request->getValue('color')) {
       $xactions[] = id(new PhabricatorProjectTransaction())
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_COLOR)
+        ->setTransactionType(
+          PhabricatorProjectColorTransaction::TRANSACTIONTYPE)
         ->setNewValue($request->getValue('color'));
     }
 
diff --git a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
--- a/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
+++ b/src/applications/project/editor/PhabricatorProjectTransactionEditor.php
@@ -30,7 +30,6 @@
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
     $types[] = PhabricatorTransactions::TYPE_JOIN_POLICY;
 
-    $types[] = PhabricatorProjectTransaction::TYPE_COLOR;
     $types[] = PhabricatorProjectTransaction::TYPE_LOCKED;
     $types[] = PhabricatorProjectTransaction::TYPE_PARENT;
     $types[] = PhabricatorProjectTransaction::TYPE_MILESTONE;
@@ -47,8 +46,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_COLOR:
-        return $object->getColor();
       case PhabricatorProjectTransaction::TYPE_LOCKED:
         return (int)$object->getIsMembershipLocked();
       case PhabricatorProjectTransaction::TYPE_HASWORKBOARD:
@@ -72,7 +69,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_COLOR:
       case PhabricatorProjectTransaction::TYPE_LOCKED:
       case PhabricatorProjectTransaction::TYPE_PARENT:
       case PhabricatorProjectTransaction::TYPE_MILESTONE:
@@ -97,9 +93,6 @@
     PhabricatorApplicationTransaction $xaction) {
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_COLOR:
-        $object->setColor($xaction->getNewValue());
-        return;
       case PhabricatorProjectTransaction::TYPE_LOCKED:
         $object->setIsMembershipLocked($xaction->getNewValue());
         return;
@@ -136,7 +129,6 @@
     $new = $xaction->getNewValue();
 
     switch ($xaction->getTransactionType()) {
-      case PhabricatorProjectTransaction::TYPE_COLOR:
       case PhabricatorProjectTransaction::TYPE_LOCKED:
       case PhabricatorProjectTransaction::TYPE_PARENT:
       case PhabricatorProjectTransaction::TYPE_MILESTONE:
@@ -322,7 +314,7 @@
       case PhabricatorProjectStatusTransaction::TRANSACTIONTYPE:
       case PhabricatorProjectImageTransaction::TRANSACTIONTYPE:
       case PhabricatorProjectIconTransaction::TRANSACTIONTYPE:
-      case PhabricatorProjectTransaction::TYPE_COLOR:
+      case PhabricatorProjectColorTransaction::TRANSACTIONTYPE:
         PhabricatorPolicyFilter::requireCapability(
           $this->requireActor(),
           $object,
diff --git a/src/applications/project/engine/PhabricatorProjectEditEngine.php b/src/applications/project/engine/PhabricatorProjectEditEngine.php
--- a/src/applications/project/engine/PhabricatorProjectEditEngine.php
+++ b/src/applications/project/engine/PhabricatorProjectEditEngine.php
@@ -113,7 +113,7 @@
       PhabricatorTransactions::TYPE_EDIT_POLICY,
       PhabricatorTransactions::TYPE_JOIN_POLICY,
       PhabricatorProjectIconTransaction::TRANSACTIONTYPE,
-      PhabricatorProjectTransaction::TYPE_COLOR,
+      PhabricatorProjectColorTransaction::TRANSACTIONTYPE,
     );
     $unavailable = array_fuse($unavailable);
 
@@ -253,7 +253,8 @@
       id(new PhabricatorSelectEditField())
         ->setKey('color')
         ->setLabel(pht('Color'))
-        ->setTransactionType(PhabricatorProjectTransaction::TYPE_COLOR)
+        ->setTransactionType(
+            PhabricatorProjectColorTransaction::TRANSACTIONTYPE)
         ->setOptions(PhabricatorProjectIconSet::getColorMap())
         ->setDescription(pht('Project tag color.'))
         ->setConduitDescription(pht('Change the project tag color.'))
diff --git a/src/applications/project/storage/PhabricatorProjectTransaction.php b/src/applications/project/storage/PhabricatorProjectTransaction.php
--- a/src/applications/project/storage/PhabricatorProjectTransaction.php
+++ b/src/applications/project/storage/PhabricatorProjectTransaction.php
@@ -3,7 +3,6 @@
 final class PhabricatorProjectTransaction
   extends PhabricatorModularTransaction {
 
-  const TYPE_COLOR      = 'project:color';
   const TYPE_LOCKED     = 'project:locked';
   const TYPE_PARENT = 'project:parent';
   const TYPE_MILESTONE = 'project:milestone';
@@ -116,13 +115,6 @@
           '%s created this project.',
           $this->renderHandleLink($author_phid));
 
-      case self::TYPE_COLOR:
-        return pht(
-          "%s set this project's color to %s.",
-          $author_handle,
-          PHUITagView::getShadeName($new));
-        break;
-
       case self::TYPE_LOCKED:
         if ($new) {
           return pht(
@@ -214,13 +206,6 @@
     $new = $this->getNewValue();
 
     switch ($this->getTransactionType()) {
-      case self::TYPE_COLOR:
-        return pht(
-          '%s set the color for %s to %s.',
-          $author_handle,
-          $object_handle,
-          PHUITagView::getShadeName($new));
-
       case self::TYPE_LOCKED:
         if ($new) {
           return pht(
@@ -245,7 +230,7 @@
       case PhabricatorProjectSlugsTransaction::TRANSACTIONTYPE:
       case PhabricatorProjectImageTransaction::TRANSACTIONTYPE:
       case PhabricatorProjectIconTransaction::TRANSACTIONTYPE:
-      case self::TYPE_COLOR:
+      case PhabricatorProjectColorTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_METADATA;
         break;
       case PhabricatorTransactions::TYPE_EDGE:
diff --git a/src/applications/project/xaction/PhabricatorProjectColorTransaction.php b/src/applications/project/xaction/PhabricatorProjectColorTransaction.php
new file mode 100644
--- /dev/null
+++ b/src/applications/project/xaction/PhabricatorProjectColorTransaction.php
@@ -0,0 +1,33 @@
+<?php
+
+final class PhabricatorProjectColorTransaction
+  extends PhabricatorProjectTransactionType {
+
+  const TRANSACTIONTYPE = 'project:color';
+
+  public function generateOldValue($object) {
+    return $object->getColor();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setColor($value);
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+    return pht(
+      "%s set this project's color to %s.",
+      $this->renderAuthor(),
+      $this->renderValue(PHUITagView::getShadeName($new)));
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+    return pht(
+      '%s set the color for %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderValue(PHUITagView::getShadeName($new)));
+  }
+
+}