diff --git a/dev/View/User/MailBox/MessageView.js b/dev/View/User/MailBox/MessageView.js
index 0082b3caf..3dcf461fc 100644
--- a/dev/View/User/MailBox/MessageView.js
+++ b/dev/View/User/MailBox/MessageView.js
@@ -466,6 +466,11 @@ export class MailMessageView extends AbstractViewRight {
 			}
 		});
 
+		addShortcut('b', 'shift', [ScopeMessageList, ScopeMessageView], () => {
+			currentMessage()?.swapColors?.();
+			return false;
+		});
+
 		addShortcut('arrowup,arrowleft', 'meta', [ScopeMessageList, ScopeMessageView], () => {
 			this.goUpCommand();
 			return false;
diff --git a/snappymail/v/0.0.0/app/templates/Views/User/PopupsKeyboardShortcutsHelp.html b/snappymail/v/0.0.0/app/templates/Views/User/PopupsKeyboardShortcutsHelp.html
index 3e0a6419b..fe72daaee 100644
--- a/snappymail/v/0.0.0/app/templates/Views/User/PopupsKeyboardShortcutsHelp.html
+++ b/snappymail/v/0.0.0/app/templates/Views/User/PopupsKeyboardShortcutsHelp.html
@@ -65,6 +65,7 @@
 			<tbody>
 				<tr><td data-i18n="SHORTCUTS_HELP/LABEL_FULLSCREEN_TOGGLE"></td><td>Enter, Open</td></tr>
 				<tr><td data-i18n="SHORTCUTS_HELP/LABEL_BLOCKQUOTES_TOGGLE"></td><td>B</td></tr>
+				<tr><td data-i18n="MESSAGE/SWAP_COLORS"></td><td>Shift + B</td></tr>
 				<tr><td data-i18n="SHORTCUTS_HELP/LABEL_EXIT_FULLSCREEN"></td><td>Esc, Close</td></tr>
 				<tr><td data-i18n="SHORTCUTS_HELP/LABEL_CLOSE_MESSAGE"></td><td>Esc, Close</td></tr>
 				<tr><td data-i18n="SHORTCUTS_HELP/LABEL_SWITCH_TO_LIST"></td><td>Shift + Tab, Esc</td></tr>