diff --git a/gtk2_ardour/ardour3_ui_dark.rc.in b/gtk2_ardour/ardour3_ui_dark.rc.in
index 5fd7696bc8..7840ac7007 100644
--- a/gtk2_ardour/ardour3_ui_dark.rc.in
+++ b/gtk2_ardour/ardour3_ui_dark.rc.in
@@ -372,9 +372,27 @@ style "mixer_solo_button_active" = "solo_button_active"
 	ythickness = 0
 }
 
-style "monitor_section_button" = "small_button"
+style "monitor_mono_button" = "small_button"
 {
-	bg[ACTIVE] = { 1.0, 0, 0 }
+	bg[ACTIVE] = { 0.725, 0.925, 0.949 }
+	fg[ACTIVE] = { 0, 0, 0 }
+}
+
+style "monitor_invert_button" = "small_button"
+{
+	bg[ACTIVE] = { 1.0, 0.749, 0.247 }
+	fg[ACTIVE] = { 0, 0, 0 }
+}
+
+style "monitor_mute_button" = "small_button"
+{
+	bg[ACTIVE] = { 1.0, 0.98, 0.53 }
+	fg[ACTIVE] = { 0, 0, 0 }
+}
+
+style "monitor_dim_button" = "small_button"
+{
+	bg[ACTIVE] = { 0.90, 0.89, 0.73 }
 	fg[ACTIVE] = { 0, 0, 0 }
 }
 
@@ -1597,8 +1615,16 @@ widget "*MixerStripSelectedFrame" style:highest "selected_strip_frame"
 widget "*MixerStripFrame" style:highest "base_frame"
 widget "*HWMonitorButton" style:highest "red_when_active"
 widget "*HWMonitorButton*" style:highest "red_when_active"
-widget "*MonitorSectionButton" style:highest "monitor_section_button"
-widget "*MonitorSectionButton*" style:highest "monitor_section_button"
+widget "*MonitorInvertButton" style:highest "monitor_invert_button"
+widget "*MonitorInvertButton*" style:highest "monitor_invert_button"
+widget "*MonitorMuteButton" style:highest "monitor_mute_button"
+widget "*MonitorMuteButton*" style:highest "monitor_mute_button"
+widget "*MonitorDimButton" style:highest "monitor_dim_button"
+widget "*MonitorDimButton*" style:highest "monitor_dim_button"
+widget "*MonitorMonoButton" style:highest "monitor_mono_button"
+widget "*MonitorMonoButton*" style:highest "monitor_mono_button"
+widget "*MonitorInvertButton" style:highest "monitor_invert_button"
+widget "*MonitorInvertButton*" style:highest "monitor_invert_button"
 widget "*BypassButton" style:highest "red_when_active"
 widget "*BypassButton*" style:highest "red_when_active"
 widget "*TransportSoloAlert" style:highest "flashing_alert"
diff --git a/gtk2_ardour/monitor_section.cc b/gtk2_ardour/monitor_section.cc
index 9dff4b101b..b555df4109 100644
--- a/gtk2_ardour/monitor_section.cc
+++ b/gtk2_ardour/monitor_section.cc
@@ -174,7 +174,7 @@ MonitorSection::MonitorSection (Session* s)
                 act->connect_proxy (mono_button);
         } 
 
-        cut_all_button.set_name (X_("MixerMuteButton"));
+        cut_all_button.set_name (X_("MonitorMuteButton"));
         cut_all_button.unset_flags (Gtk::CAN_FOCUS);
         cut_all_button.set_size_request (50,50);
         cut_all_button.show ();
@@ -185,9 +185,9 @@ MonitorSection::MonitorSection (Session* s)
         bbox->pack_start (mono_button, true, true);
         bbox->pack_start (dim_all_button, true, true);
 
-        dim_all_button.set_name (X_("MonitorSectionButton"));
+        dim_all_button.set_name (X_("MonitorDimButton"));
         dim_all_button.unset_flags (Gtk::CAN_FOCUS);
-        mono_button.set_name (X_("MonitorSectionButton"));
+        mono_button.set_name (X_("MonitorMonoButton"));
         mono_button.unset_flags (Gtk::CAN_FOCUS);
 
         lower_packer.set_spacing (12);
@@ -291,10 +291,10 @@ MonitorSection::ChannelButtonSet::ChannelButtonSet ()
         , solo (X_(""))
         , invert (X_(""))
 {
-        cut.set_name (X_("MixerMuteButton"));
-        dim.set_name (X_("MixerMuteButton"));
+        cut.set_name (X_("MonitorMuteButton"));
+        dim.set_name (X_("MonitorDimButton"));
         solo.set_name (X_("MixerSoloButton"));
-        invert.set_name (X_("MonitorSectionButton"));
+        invert.set_name (X_("MonitorInvertButton"));
 
         gtk_activatable_set_use_action_appearance (GTK_ACTIVATABLE (cut.gobj()), false);
         gtk_activatable_set_use_action_appearance (GTK_ACTIVATABLE (dim.gobj()), false);