diff --git a/src/main/java/com/sparrowwallet/sparrow/control/TransactionDiagram.java b/src/main/java/com/sparrowwallet/sparrow/control/TransactionDiagram.java
index 695a7be5..edc2a4ea 100644
--- a/src/main/java/com/sparrowwallet/sparrow/control/TransactionDiagram.java
+++ b/src/main/java/com/sparrowwallet/sparrow/control/TransactionDiagram.java
@@ -419,6 +419,7 @@ public class TransactionDiagram extends GridPane {
             if(sum > 0 && !curve.getStyleClass().contains("input-dashed-line")) {
                 long radius = Math.round((double)inputs.get(numUtxos-i).getValue() * (RELATIVE_SIZE_MAX_RADIUS - 1) / sum) + 1;
                 Circle circle = new Circle(curve.getStartX(), curve.getStartY(), radius);
+                circle.getStyleClass().add("size-indicator");
                 group.getChildren().add(circle);
             }
         }
@@ -493,6 +494,7 @@ public class TransactionDiagram extends GridPane {
             if(sum > 0) {
                 long radius = Math.min(RELATIVE_SIZE_MAX_RADIUS, Math.round((double)values.get(numOutputs-i) * (RELATIVE_SIZE_MAX_RADIUS - 1) / sum) + 1);
                 Circle circle = new Circle(curve.getEndX(), curve.getEndY(), radius);
+                circle.getStyleClass().add("size-indicator");
                 group.getChildren().add(circle);
             }
         }
diff --git a/src/main/resources/com/sparrowwallet/sparrow/darktheme.css b/src/main/resources/com/sparrowwallet/sparrow/darktheme.css
index 6630f575..e06b3884 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/darktheme.css
+++ b/src/main/resources/com/sparrowwallet/sparrow/darktheme.css
@@ -210,6 +210,10 @@
     -fx-text-fill: lightgray;
 }
 
+.root #transactionDiagram .size-indicator {
+    -fx-fill: lightgray;
+}
+
 .root .progress-indicator.progress-timer.warn > .determinate-indicator > .indicator {
     -fx-background-color: -fx-box-border, radial-gradient(center 50% 50%, radius 50%, #e06c75 70%, derive(-fx-control-inner-background, -9%) 100%);
 }
\ No newline at end of file
diff --git a/src/main/resources/com/sparrowwallet/sparrow/wallet/send.css b/src/main/resources/com/sparrowwallet/sparrow/wallet/send.css
index 874164e6..3c3e8280 100644
--- a/src/main/resources/com/sparrowwallet/sparrow/wallet/send.css
+++ b/src/main/resources/com/sparrowwallet/sparrow/wallet/send.css
@@ -85,6 +85,10 @@
     -fx-stroke-width: 1px;
 }
 
+#transactionDiagram .size-indicator {
+    -fx-fill: -fx-text-base-color;
+}
+
 #transactionDiagram .input-dashed-line {
     -fx-stroke-dash-array: 5px 5px;
 }