diff --git a/src/main/res/layout/activity_rtp_session.xml b/src/main/res/layout/activity_rtp_session.xml
index 13e0e5d2e..e988e060f 100644
--- a/src/main/res/layout/activity_rtp_session.xml
+++ b/src/main/res/layout/activity_rtp_session.xml
@@ -153,7 +153,7 @@
                     android:layout_margin="16dp"
                     android:src="@drawable/ic_call_white_48dp"
                     android:visibility="gone"
-                    app:backgroundTint="@color/green700"
+                    app:backgroundTint="@color/green500"
                     app:elevation="4dp"
                     app:fabCustomSize="72dp"
                     app:maxImageSize="36dp"