diff --git a/lib/Gitlab/Events/note-commit.js b/lib/Gitlab/Events/note-commit.js
index c48ec0a..e3716b4 100644
--- a/lib/Gitlab/Events/note-commit.js
+++ b/lib/Gitlab/Events/note-commit.js
@@ -11,7 +11,7 @@ class NoteCommit extends EventResponse {
     const comment = data.object_attributes;
     const sha = comment.commit_id.slice(0, 7);
     return {
-      color: `#996633`,
+      color: 0x996633,
       title: `Commented on commit \`${sha}\``,
       description: comment.note,
     };
diff --git a/lib/Gitlab/Events/note-issue.js b/lib/Gitlab/Events/note-issue.js
index 8a44b73..d1a2b7e 100644
--- a/lib/Gitlab/Events/note-issue.js
+++ b/lib/Gitlab/Events/note-issue.js
@@ -11,7 +11,7 @@ class NoteIssue extends EventResponse {
     const comment = data.object_attributes;
     const issue = data.issue;
     return {
-      color: `#996633`,
+      color: 0x996633,
       title: `Commented on issue #${issue.iid}: \`${issue.title}\``,
       description: comment.note,
     };
diff --git a/lib/Gitlab/Events/note-mergerequest.js b/lib/Gitlab/Events/note-mergerequest.js
index 3be4ed3..92f28f4 100644
--- a/lib/Gitlab/Events/note-mergerequest.js
+++ b/lib/Gitlab/Events/note-mergerequest.js
@@ -11,7 +11,7 @@ class NoteMergeRequest extends EventResponse {
     const comment = data.object_attributes;
     const mergeRequest = data.merge_request;
     return {
-      color: `#996633`,
+      color: 0x996633,
       title: `Commented on merge request #${mergeRequest.iid}: \`${mergeRequest.title}\``,
       description: comment.note,
     };
diff --git a/lib/Gitlab/Events/push.js b/lib/Gitlab/Events/push.js
index caca9cf..81630c0 100644
--- a/lib/Gitlab/Events/push.js
+++ b/lib/Gitlab/Events/push.js
@@ -22,7 +22,7 @@ class Push extends EventResponse {
 
     let description = pretext.join('\n');
     return {
-      color: '7289DA',
+      color: 0x7289DA,
       title: `Pushed ${data.total_commits_count} ${commits.length !== 1 ? 'commits' : 'commit'} to \`${branch}\``,
       url: `${data.project.web_url}/compare/${data.before.slice(0, 7)}...${data.after.slice(0, 7)}`,
       description,
diff --git a/lib/Gitlab/Events/tag_push.js b/lib/Gitlab/Events/tag_push.js
index 0b2aba4..ebd1f8c 100644
--- a/lib/Gitlab/Events/tag_push.js
+++ b/lib/Gitlab/Events/tag_push.js
@@ -15,7 +15,7 @@ class TagPush extends EventResponse {
     const isCreated = this.isCreated(data);
 
     return {
-      color: 'F0C330',
+      color: 0xF0C330,
       title: `${this.isCreated(data) ? 'Created' : 'Deleted'} tag \`${tag}\` ${sha ? `from commit \`${sha}\`` : ''}${isCreated ? `with ${commitCount} ${commitCount !== 1 ? 'commits' : 'commit'}` : ''}`,
       url: isCreated ? `${data.project.web_url}/tags/${tag}` : null,
       description: `${message.slice(0, 2000)}${message.length > 2000 ? '...' : ''}`,