diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/EventLogEntry.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/EventLogEntry.java
index 65de7699..d044ca91 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/EventLogEntry.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/EventLogEntry.java
@@ -2,9 +2,18 @@ package nu.marginalia.control.model;
 
 public record EventLogEntry(
         String serviceName,
-        String instance,
+        String instanceFull,
         String eventTime,
         String eventType,
         String eventMessage)
 {
+    public String instance() {
+        return instanceFull.substring(0, 8);
+    }
+    public String instanceColor() {
+        return '#' + instanceFull.substring(0, 6);
+    }
+    public String instanceColor2() {
+        return '#' + instanceFull.substring(25, 31);
+    }
 }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/MessageQueueEntry.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/MessageQueueEntry.java
index 9694ac1e..c3de8cca 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/MessageQueueEntry.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/MessageQueueEntry.java
@@ -6,7 +6,7 @@ public record MessageQueueEntry (
         String senderInbox,
         String recipientInbox,
         String function,
-        String ownerInstance,
+        String ownerInstanceFull,
         long ownerTick,
         String state,
         String createdTime,
@@ -14,4 +14,13 @@ public record MessageQueueEntry (
         int ttl
 )
 {
+    public String ownerInstance() {
+        return ownerInstanceFull.substring(0, 8);
+    }
+    public String ownerInstanceColor() {
+        return '#' + ownerInstanceFull.substring(0, 6);
+    }
+    public String ownerInstanceColor2() {
+        return '#' + ownerInstanceFull.substring(25, 31);
+    }
 }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ProcessHeartbeat.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ProcessHeartbeat.java
index e072a2e2..703635d0 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ProcessHeartbeat.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ProcessHeartbeat.java
@@ -3,11 +3,20 @@ package nu.marginalia.control.model;
 public record ProcessHeartbeat(
         String processId,
         String processBase,
-        String uuid,
+        String uuidFull,
         double lastSeenMillis,
         Integer progress,
         String status
 ) {
+    public String uuid() {
+        return uuidFull.substring(0, 8);
+    }
+    public String uuidColor() {
+        return '#' + uuidFull.substring(0, 6);
+    }
+    public String uuidColor2() {
+        return '#' + uuidFull.substring(25, 31);
+    }
     public boolean isMissing() {
         return lastSeenMillis > 10000;
     }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ServiceHeartbeat.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ServiceHeartbeat.java
index dcb4d94e..f43d9058 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ServiceHeartbeat.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/model/ServiceHeartbeat.java
@@ -3,12 +3,20 @@ package nu.marginalia.control.model;
 public record ServiceHeartbeat(
         String serviceId,
         String serviceBase,
-        String uuid,
+        String uuidFull,
         double lastSeenMillis,
         boolean alive
 ) {
     public boolean isMissing() {
         return lastSeenMillis > 10000;
     }
-
+    public String uuid() {
+        return uuidFull.substring(0, 8);
+    }
+    public String uuidColor() {
+        return '#' + uuidFull.substring(0, 6);
+    }
+    public String uuidColor2() {
+        return '#' + uuidFull.substring(25, 31);
+    }
 }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/EventLogService.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/EventLogService.java
index f54e6996..8167c71c 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/EventLogService.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/EventLogService.java
@@ -32,7 +32,7 @@ public class EventLogService {
             while (rs.next()) {
                 entries.add(new EventLogEntry(
                         rs.getString("SERVICE_NAME"),
-                        trimUUID(rs.getString("INSTANCE")),
+                        rs.getString("INSTANCE"),
                         rs.getTimestamp("EVENT_TIME").toLocalDateTime().toLocalTime().toString(),
                         rs.getString("EVENT_TYPE"),
                         rs.getString("EVENT_MESSAGE")
@@ -44,11 +44,5 @@ public class EventLogService {
             throw new RuntimeException(ex);
         }
     }
-    private String trimUUID(String uuid) {
-        if (uuid.length() > 8) {
-            return uuid.substring(0, 8);
-        }
-        return uuid;
-    }
 
 }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/HeartbeatService.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/HeartbeatService.java
index bd7f56c7..5f8b28f3 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/HeartbeatService.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/HeartbeatService.java
@@ -34,7 +34,7 @@ public class HeartbeatService {
                 heartbeats.add(new ServiceHeartbeat(
                         rs.getString("SERVICE_NAME"),
                         rs.getString("SERVICE_BASE"),
-                        trimUUID(rs.getString("INSTANCE")),
+                        rs.getString("INSTANCE"),
                         rs.getLong("TSDIFF") / 1000.,
                         rs.getBoolean("ALIVE")
                 ));
@@ -59,12 +59,13 @@ public class HeartbeatService {
 
             var rs = stmt.executeQuery();
             while (rs.next()) {
+                int progress = rs.getInt("PROGRESS");
                 heartbeats.add(new ProcessHeartbeat(
                         rs.getString("PROCESS_NAME"),
                         rs.getString("PROCESS_BASE"),
-                        trimUUID(rs.getString("INSTANCE")),
+                        rs.getString("INSTANCE"),
                         rs.getLong("TSDIFF") / 1000.,
-                        rs.getInt("PROGRESS"),
+                        progress < 0 ? null : progress,
                         rs.getString("STATUS")
                 ));
             }
@@ -75,10 +76,5 @@ public class HeartbeatService {
 
         return heartbeats;
     }
-    private String trimUUID(String uuid) {
-        if (uuid.length() > 8) {
-            return uuid.substring(0, 8);
-        }
-        return uuid;
-    }
+
 }
diff --git a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/MessageQueueViewService.java b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/MessageQueueViewService.java
index c8016c78..9531c0b4 100644
--- a/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/MessageQueueViewService.java
+++ b/code/services-satellite/control-service/src/main/java/nu/marginalia/control/svc/MessageQueueViewService.java
@@ -38,7 +38,7 @@ public class MessageQueueViewService {
                         rs.getString("SENDER_INBOX"),
                         rs.getString("RECIPIENT_INBOX"),
                         rs.getString("FUNCTION"),
-                        trimUUID(rs.getString("OWNER_INSTANCE")),
+                        rs.getString("OWNER_INSTANCE"),
                         rs.getLong("OWNER_TICK"),
                         rs.getString("STATE"),
                         rs.getTimestamp("CREATED_TIME").toLocalDateTime().toLocalTime().toString(),
@@ -52,15 +52,5 @@ public class MessageQueueViewService {
             throw new RuntimeException(ex);
         }
     }
-    private String trimUUID(String uuid) {
-        if (null == uuid) {
-            return "";
-        }
-
-        if (uuid.length() > 8) {
-            return uuid.substring(0, 8);
-        }
-        return uuid;
-    }
 
 }
diff --git a/code/services-satellite/control-service/src/main/resources/static/control/style.css b/code/services-satellite/control-service/src/main/resources/static/control/style.css
index ada93e58..26b96fbf 100644
--- a/code/services-satellite/control-service/src/main/resources/static/control/style.css
+++ b/code/services-satellite/control-service/src/main/resources/static/control/style.css
@@ -8,6 +8,11 @@ body {
     grid-template-areas:
         "left right";
 }
+.uuidPip {
+  margin-left: 0.25ch;
+  border-radius: 2ch;
+  border: 1px solid #ccc;
+}
 h1 {
     font-family: serif;
 }
diff --git a/code/services-satellite/control-service/src/main/resources/templates/control/events.hdb b/code/services-satellite/control-service/src/main/resources/templates/control/events.hdb
index 2c0b20b8..b1cf526d 100644
--- a/code/services-satellite/control-service/src/main/resources/templates/control/events.hdb
+++ b/code/services-satellite/control-service/src/main/resources/templates/control/events.hdb
@@ -23,7 +23,10 @@
           {{#each events}}
            <tr>
                     <td>{{serviceName}}</td>
-                    <td>{{instance}}</td>
+                    <td title="{{instanceFull}}">
+                        <span style="background-color: {{instanceColor}}" class="uuidPip">&nbsp;</span><span style="background-color: {{instanceColor2}}" class="uuidPip">&nbsp;</span>
+                        {{instance}}
+                    </td>
                     <td>{{eventTime}}</td>
                     <td>{{eventType}}</td>
                     <td>{{eventMessage}}</td>
diff --git a/code/services-satellite/control-service/src/main/resources/templates/control/message-queue.hdb b/code/services-satellite/control-service/src/main/resources/templates/control/message-queue.hdb
index 41bb73f8..d4f071e3 100644
--- a/code/services-satellite/control-service/src/main/resources/templates/control/message-queue.hdb
+++ b/code/services-satellite/control-service/src/main/resources/templates/control/message-queue.hdb
@@ -33,7 +33,10 @@
             <td>{{recipientInbox}}</td>
             <td>{{senderInbox}}</td>
             <td>{{function}}</td>
-            <td>{{ownerInstance}}</td>
+            <td title="{{ownerInstanceFull}}">
+              <span style="background-color: {{ownerInstanceColor}}" class="uuidPip">&nbsp;</span><span style="background-color: {{ownerInstanceColor2}}" class="uuidPip">&nbsp;</span>
+              {{ownerInstance}}
+            </td>
             <td>{{ownerTick}}</td>
             <td>{{state}}</td>
             <td>{{createdTime}}</td>
diff --git a/code/services-satellite/control-service/src/main/resources/templates/control/processes.hdb b/code/services-satellite/control-service/src/main/resources/templates/control/processes.hdb
index 3f6e08eb..1c0f6ebe 100644
--- a/code/services-satellite/control-service/src/main/resources/templates/control/processes.hdb
+++ b/code/services-satellite/control-service/src/main/resources/templates/control/processes.hdb
@@ -22,7 +22,10 @@
           {{#each heartbeats}}
           <tr class="{{#if isMissing}}missing{{/if}}" style="{{progressStyle}}">
               <td>{{processId}}</td>
-              <td>{{uuid}}</td>
+              <td title="{{uuidFull}}">
+                  <span style="background-color: {{uuidColor}}" class="uuidPip">&nbsp;</span><span style="background-color: {{uuidColor2}}" class="uuidPip">&nbsp;</span>
+                  {{uuid}}
+              </td>
               <td>{{status}}</td>
               <td>{{#if progress}}{{progress}}%{{/if}}</td>
               <td>{{#unless isStopped}}{{lastSeenMillis}}{{/unless}}</td>
diff --git a/code/services-satellite/control-service/src/main/resources/templates/control/services.hdb b/code/services-satellite/control-service/src/main/resources/templates/control/services.hdb
index fc7b0c5b..6a506194 100644
--- a/code/services-satellite/control-service/src/main/resources/templates/control/services.hdb
+++ b/code/services-satellite/control-service/src/main/resources/templates/control/services.hdb
@@ -20,7 +20,10 @@
           {{#each heartbeats}}
           <tr class="{{#if isMissing}}missing{{/if}} {{#unless alive}}terminated{{/unless}}">
               <td>{{serviceId}}</td>
-              <td>{{uuid}}</td>
+              <td title="{{uuidFull}}">
+                  <span style="background-color: {{uuidColor}}" class="uuidPip">&nbsp;</span><span style="background-color: {{uuidColor2}}" class="uuidPip">&nbsp;</span>
+                  {{uuid}}
+              </td>
               <td>{{lastSeenMillis}}</td>
           </tr>
           {{/each}}