diff --git a/cmd/karma/views.go b/cmd/karma/views.go
index 2df97896e..0b17e54ca 100644
--- a/cmd/karma/views.go
+++ b/cmd/karma/views.go
@@ -309,6 +309,17 @@ func alerts(c *gin.Context) {
 						}
 					}
 
+					if ck, foundKey := dedupedColors["@cluster"]; foundKey {
+						for _, am := range alert.Alertmanager {
+							if cv, foundVal := ck[am.Cluster]; foundVal {
+								if _, found := colors["@cluster"]; !found {
+									colors["@cluster"] = map[string]models.LabelColors{}
+								}
+								colors["@cluster"][am.Cluster] = cv
+							}
+						}
+					}
+
 					agCopy.StateCount[alert.State]++
 
 					for _, am := range alert.Alertmanager {
diff --git a/internal/alertmanager/models.go b/internal/alertmanager/models.go
index c2faa619b..508c7b62d 100644
--- a/internal/alertmanager/models.go
+++ b/internal/alertmanager/models.go
@@ -261,6 +261,7 @@ func (am *Alertmanager) pullAlerts(version string) error {
 			transform.ColorLabel(colors, "@receiver", alert.Receiver)
 			for _, am := range alert.Alertmanager {
 				transform.ColorLabel(colors, "@alertmanager", am.Name)
+				transform.ColorLabel(colors, "@cluster", am.Cluster)
 			}
 			for k, v := range alert.Labels {
 				transform.ColorLabel(colors, k, v)