diff --git a/examples/control_flow.rs b/examples/control_flow.rs
index 47a518c181..1eb5b9cb1d 100644
--- a/examples/control_flow.rs
+++ b/examples/control_flow.rs
@@ -114,7 +114,7 @@ impl ApplicationHandler for ControlFlowDemo {
             WindowEvent::RedrawRequested => {
                 let window = self.window.as_ref().unwrap();
                 window.pre_present_notify();
-                fill::fill_window(window.as_ref());
+                fill::fill_window(window.as_ref(), 0xff181818);
             },
             _ => (),
         }
diff --git a/examples/pump_events.rs b/examples/pump_events.rs
index 3ec8abe38b..a32564dab7 100644
--- a/examples/pump_events.rs
+++ b/examples/pump_events.rs
@@ -43,7 +43,7 @@ fn main() -> std::process::ExitCode {
             match event {
                 WindowEvent::CloseRequested => event_loop.exit(),
                 WindowEvent::RedrawRequested => {
-                    fill::fill_window(window.as_ref());
+                    fill::fill_window(window.as_ref(), 0xff181818);
                     window.request_redraw();
                 },
                 _ => (),
diff --git a/examples/run_on_demand.rs b/examples/run_on_demand.rs
index e6d105ad5e..3c0e8e3c0f 100644
--- a/examples/run_on_demand.rs
+++ b/examples/run_on_demand.rs
@@ -69,7 +69,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                     self.window = None;
                 },
                 WindowEvent::RedrawRequested => {
-                    fill::fill_window(window.as_ref());
+                    fill::fill_window(window.as_ref(), 0xff181818);
                 },
                 _ => (),
             }
diff --git a/examples/util/fill.rs b/examples/util/fill.rs
index c93dfc5861..8e371e3474 100644
--- a/examples/util/fill.rs
+++ b/examples/util/fill.rs
@@ -70,7 +70,7 @@ mod platform {
         }
     }
 
-    pub fn fill_window(window: &dyn Window) {
+    pub fn fill_window(window: &dyn Window, color: u32) {
         GC.with(|gc| {
             let size = window.surface_size();
             let (Some(width), Some(height)) =
@@ -84,13 +84,12 @@ mod platform {
             let surface =
                 gc.get_or_insert_with(|| GraphicsContext::new(window)).create_surface(window);
 
-            // Fill a buffer with a solid color.
-            const DARK_GRAY: u32 = 0xff181818;
+            // Fill a buffer with a solid color
 
             surface.resize(width, height).expect("Failed to resize the softbuffer surface");
 
             let mut buffer = surface.buffer_mut().expect("Failed to get the softbuffer buffer");
-            buffer.fill(DARK_GRAY);
+            buffer.fill(color);
             buffer.present().expect("Failed to present the softbuffer buffer");
         })
     }
diff --git a/examples/x11_embed.rs b/examples/x11_embed.rs
index 1b9a796ff6..8807412fd3 100644
--- a/examples/x11_embed.rs
+++ b/examples/x11_embed.rs
@@ -38,7 +38,7 @@ fn main() -> Result<(), Box<dyn Error>> {
                 WindowEvent::CloseRequested => event_loop.exit(),
                 WindowEvent::RedrawRequested => {
                     window.pre_present_notify();
-                    fill::fill_window(window.as_ref());
+                    fill::fill_window(window.as_ref(), 0xff181818);
                 },
                 _ => (),
             }