diff --git a/Dashboard/Controls/MemoryContent.xaml.cs b/Dashboard/Controls/MemoryContent.xaml.cs
index f78b0ab0..f381af58 100644
--- a/Dashboard/Controls/MemoryContent.xaml.cs
+++ b/Dashboard/Controls/MemoryContent.xaml.cs
@@ -82,6 +82,14 @@ public MemoryContent()
             SetupChartContextMenus();
             Loaded += OnLoaded;
 
+            // Apply dark theme immediately so charts don't flash white before data loads
+            TabHelpers.ApplyDarkModeToChart(MemoryStatsOverviewChart);
+            TabHelpers.ApplyDarkModeToChart(MemoryGrantSizingChart);
+            TabHelpers.ApplyDarkModeToChart(MemoryGrantActivityChart);
+            TabHelpers.ApplyDarkModeToChart(MemoryClerksChart);
+            TabHelpers.ApplyDarkModeToChart(PlanCacheChart);
+            TabHelpers.ApplyDarkModeToChart(MemoryPressureEventsChart);
+
             _memoryStatsOverviewHover = new Helpers.ChartHoverHelper(MemoryStatsOverviewChart, "MB");
             _memoryGrantSizingHover = new Helpers.ChartHoverHelper(MemoryGrantSizingChart, "MB");
             _memoryGrantActivityHover = new Helpers.ChartHoverHelper(MemoryGrantActivityChart, "count");
diff --git a/Dashboard/Controls/ResourceMetricsContent.xaml.cs b/Dashboard/Controls/ResourceMetricsContent.xaml.cs
index 9c8c8896..aa3def9d 100644
--- a/Dashboard/Controls/ResourceMetricsContent.xaml.cs
+++ b/Dashboard/Controls/ResourceMetricsContent.xaml.cs
@@ -109,6 +109,23 @@ public ResourceMetricsContent()
             SetupChartContextMenus();
             Loaded += OnLoaded;
 
+            // Apply dark theme immediately so charts don't flash white before data loads
+            TabHelpers.ApplyDarkModeToChart(LatchStatsChart);
+            TabHelpers.ApplyDarkModeToChart(SpinlockStatsChart);
+            TabHelpers.ApplyDarkModeToChart(TempdbStatsChart);
+            TabHelpers.ApplyDarkModeToChart(TempDbLatencyChart);
+            TabHelpers.ApplyDarkModeToChart(SessionStatsChart);
+            TabHelpers.ApplyDarkModeToChart(UserDbReadLatencyChart);
+            TabHelpers.ApplyDarkModeToChart(UserDbWriteLatencyChart);
+            TabHelpers.ApplyDarkModeToChart(FileIoReadThroughputChart);
+            TabHelpers.ApplyDarkModeToChart(FileIoWriteThroughputChart);
+            TabHelpers.ApplyDarkModeToChart(PerfmonCountersChart);
+            TabHelpers.ApplyDarkModeToChart(WaitStatsDetailChart);
+            TabHelpers.ApplyDarkModeToChart(ServerUtilTrendsCpuChart);
+            TabHelpers.ApplyDarkModeToChart(ServerUtilTrendsTempdbChart);
+            TabHelpers.ApplyDarkModeToChart(ServerUtilTrendsMemoryChart);
+            TabHelpers.ApplyDarkModeToChart(ServerUtilTrendsPerfmonChart);
+
             _sessionStatsHover = new Helpers.ChartHoverHelper(SessionStatsChart, "sessions");
             _latchStatsHover = new Helpers.ChartHoverHelper(LatchStatsChart, "ms/sec");
             _spinlockStatsHover = new Helpers.ChartHoverHelper(SpinlockStatsChart, "collisions/sec");
diff --git a/Lite/Controls/ServerTab.xaml.cs b/Lite/Controls/ServerTab.xaml.cs
index ea704080..800d2a87 100644
--- a/Lite/Controls/ServerTab.xaml.cs
+++ b/Lite/Controls/ServerTab.xaml.cs
@@ -158,6 +158,31 @@ public ServerTab(ServerConnection server, DuckDbInitializer duckDb, CredentialSe
             grid.CopyingRowClipboardContent += Helpers.DataGridClipboardBehavior.FixHeaderCopy;
         }
 
+        /* Apply dark theme immediately so charts don't flash white before data loads */
+        ApplyDarkTheme(WaitStatsChart);
+        ApplyDarkTheme(QueryDurationTrendChart);
+        ApplyDarkTheme(ProcDurationTrendChart);
+        ApplyDarkTheme(QueryStoreDurationTrendChart);
+        ApplyDarkTheme(ExecutionCountTrendChart);
+        ApplyDarkTheme(CpuChart);
+        ApplyDarkTheme(MemoryChart);
+        ApplyDarkTheme(MemoryClerksChart);
+        ApplyDarkTheme(MemoryGrantSizingChart);
+        ApplyDarkTheme(MemoryGrantActivityChart);
+        ApplyDarkTheme(FileIoReadChart);
+        ApplyDarkTheme(FileIoWriteChart);
+        ApplyDarkTheme(FileIoReadThroughputChart);
+        ApplyDarkTheme(FileIoWriteThroughputChart);
+        ApplyDarkTheme(TempDbChart);
+        ApplyDarkTheme(TempDbFileIoChart);
+        ApplyDarkTheme(LockWaitTrendChart);
+        ApplyDarkTheme(BlockingTrendChart);
+        ApplyDarkTheme(DeadlockTrendChart);
+        ApplyDarkTheme(CurrentWaitsDurationChart);
+        ApplyDarkTheme(CurrentWaitsBlockedChart);
+        ApplyDarkTheme(PerfmonChart);
+        ApplyDarkTheme(CollectorDurationChart);
+
         /* Chart hover tooltips */
         _waitStatsHover = new Helpers.ChartHoverHelper(WaitStatsChart, "ms/sec");
         _perfmonHover = new Helpers.ChartHoverHelper(PerfmonChart, "");