diff --git a/egui_demo_lib/src/apps/demo/widget_gallery.rs b/egui_demo_lib/src/apps/demo/widget_gallery.rs
index 0165a1d55..db49d0a80 100644
--- a/egui_demo_lib/src/apps/demo/widget_gallery.rs
+++ b/egui_demo_lib/src/apps/demo/widget_gallery.rs
@@ -33,10 +33,14 @@ impl super::Demo for WidgetGallery {
     }
 
     fn show(&mut self, ctx: &egui::CtxRef, open: &mut bool) {
-        egui::Window::new(self.name()).open(open).show(ctx, |ui| {
-            use super::View;
-            self.ui(ui);
-        });
+        egui::Window::new(self.name())
+            .open(open)
+            .default_width(200.0)
+            .resizable(false)
+            .show(ctx, |ui| {
+                use super::View;
+                self.ui(ui);
+            });
     }
 }
 
@@ -126,8 +130,20 @@ impl super::View for WidgetGallery {
             ui.label("Separator:");
             ui.separator();
             ui.end_row();
+
+            ui.label("CollapsingHeader:");
+            ui.collapsing("Click to see what is hidden!", |ui| {
+                ui.horizontal_wrapped_for_text(egui::TextStyle::Body, |ui| {
+                    ui.label(
+                        "Not much, as it turns out, but here is a gold star for you for checking:",
+                    );
+                    ui.colored_label(egui::Color32::GOLD, "☆");
+                });
+            });
+            ui.end_row();
         });
 
+        ui.separator();
         ui.vertical_centered(|ui| {
             ui.add(crate::__egui_github_link_file!());
         });
diff --git a/epaint/src/color.rs b/epaint/src/color.rs
index 073a8dea1..a39abc7cc 100644
--- a/epaint/src/color.rs
+++ b/epaint/src/color.rs
@@ -36,10 +36,11 @@ impl Color32 {
     pub const GRAY: Color32 = Color32::from_rgb(160, 160, 160);
     pub const WHITE: Color32 = Color32::from_rgb(255, 255, 255);
     pub const RED: Color32 = Color32::from_rgb(255, 0, 0);
+    pub const YELLOW: Color32 = Color32::from_rgb(255, 255, 0);
     pub const GREEN: Color32 = Color32::from_rgb(0, 255, 0);
     pub const BLUE: Color32 = Color32::from_rgb(0, 0, 255);
-    pub const YELLOW: Color32 = Color32::from_rgb(255, 255, 0);
     pub const LIGHT_BLUE: Color32 = Color32::from_rgb(140, 160, 255);
+    pub const GOLD: Color32 = Color32::from_rgb(255, 215, 0);
 
     pub const fn from_rgb(r: u8, g: u8, b: u8) -> Self {
         Self([r, g, b, 255])
@@ -117,10 +118,12 @@ impl Color32 {
         Rgba::from(self).to_opaque().into()
     }
 
+    /// Premultiplied RGBA
     pub fn to_array(&self) -> [u8; 4] {
         [self.r(), self.g(), self.b(), self.a()]
     }
 
+    /// Premultiplied RGBA
     pub fn to_tuple(&self) -> (u8, u8, u8, u8) {
         (self.r(), self.g(), self.b(), self.a())
     }