diff --git a/crates/ui-egui/src/panels/timeline.rs b/crates/ui-egui/src/panels/timeline.rs
index 163e6507..fe3b1d62 100644
--- a/crates/ui-egui/src/panels/timeline.rs
+++ b/crates/ui-egui/src/panels/timeline.rs
@@ -2400,6 +2400,16 @@ pub fn show(app: &mut EffectcraftApp, ui: &mut egui::Ui, rect: Rect) {
                     },
                 );
                 gp.rect_filled(Rect::from_min_max(pos2(graph_x0, r.min.y), r.max), 0.0, t.tl_bg);
+                // An effect's colour label (26.5): the same bar the Effect Controls header wears,
+                // on the row's left edge.
+                if let Some(lab) =
+                    group.filter(|g| matches!(g.kind, GroupKind::Effect { .. })).and_then(|g| g.label).filter(|l| *l != effectcraft_engine::color::Label::None)
+                {
+                    let [lr, lg, lb] = app.session.prefs.label_rgb(lab);
+                    let bar = Rect::from_min_size(left.min, vec2(4.0, left.height()));
+                    lp.rect_filled(bar, 0.0, Color32::from_rgb(lr, lg, lb));
+                    app.auto.add(&format!("timeline.group.{uid}.label"), bar, &app.session.prefs.label_name(lab));
+                }
                 let indent = cw.name + 6.0 + 14.0 * row.depth as f32;
                 if *has_children {
                     let tw = Rect::from_center_size(pos2(indent, cy), vec2(13.0, 13.0));
diff --git a/crates/ui-egui/tests/ui_timeline_effect_label.rs b/crates/ui-egui/tests/ui_timeline_effect_label.rs
new file mode 100644
index 00000000..deeee9e5
--- /dev/null
+++ b/crates/ui-egui/tests/ui_timeline_effect_label.rs
@@ -0,0 +1,45 @@
+//! An effect's colour label (26.5) shows on its Timeline row as well as in Effect Controls.
+
+use effectcraft_engine::Session;
+use effectcraft_engine::project::LayerId;
+use effectcraft_ui_egui::EffectcraftApp;
+use effectcraft_ui_egui::dock::PanelKind;
+use egui::vec2;
+use egui_kittest::Harness;
+use serde_json::json;
+
+fn harness() -> (Harness<'static, EffectcraftApp>, u64, u64) {
+    let mut s = Session::default();
+    s.execute("comp.new", json!({"name": "Main", "width": 320, "height": 180, "frameRate": 30, "duration": 4})).unwrap();
+    let layer = s.execute("layer.newSolid", json!({"name": "A", "color": "#406080"})).unwrap()["layer"].as_u64().unwrap();
+    let fx = s.execute("effect.apply", json!({"layers": [layer], "effect": "ec.blur.gaussian"})).unwrap()["effects"][0].as_u64().unwrap();
+    s.state.selected_layers = vec![LayerId(layer)];
+    s.state.selected_props = vec![(LayerId(layer), fx)];
+    let mut app = EffectcraftApp::new(s);
+    app.show_panel(PanelKind::Timeline);
+    app.ui.timeline.open_layers.insert(layer);
+    let effects = app.session.active_comp().and_then(|c| c.layer(LayerId(layer))).and_then(|l| l.props.sub("effects")).map(|g| g.uid);
+    app.ui.timeline.open_groups.extend(effects);
+    let mut h = Harness::builder().with_size(vec2(1600.0, 1000.0)).build_eframe(|_| app);
+    h.run_steps(4);
+    (h, layer, fx)
+}
+
+/// The label bar appears on the effect's row once the effect has a label, carries the label's
+/// name for agents, and goes away when the label is cleared.
+#[test]
+fn the_effect_row_wears_its_colour_label() {
+    let (mut h, layer, fx) = harness();
+    let id = format!("timeline.group.{fx}.label");
+    assert!(h.state().auto.find(&format!("timeline.group.{fx}.fx")).is_some(), "the effect's row is on screen");
+    assert!(h.state().auto.find(&id).is_none(), "an unlabelled effect has no bar");
+
+    h.state_mut().session.execute("effect.setLabel", json!({"layer": layer, "effect": fx, "label": "Blue"})).unwrap();
+    h.run_steps(3);
+    let blue = h.state().session.prefs.label_name(effectcraft_engine::color::Label::Blue);
+    assert_eq!(h.state().auto.find(&id).map(|e| e.label.clone()), Some(blue));
+
+    h.state_mut().session.execute("effect.setLabel", json!({"layer": layer, "effect": fx, "label": 0})).unwrap();
+    h.run_steps(3);
+    assert!(h.state().auto.find(&id).is_none(), "clearing the label removes the bar");
+}
diff --git a/docs/gaps.md b/docs/gaps.md
index c22a97fb..8a26bda6 100644
--- a/docs/gaps.md
+++ b/docs/gaps.md
@@ -77,7 +77,7 @@ are grouped by area; the issue tracker has the rest.
 | 18 | **Relative paths and relinking** | Projects store absolute footage paths; no relink when a project moves | Moving or sharing a project breaks it | 6–12 h | G4 · [file-format-parity.md](file-format-parity.md) |
 | 19 | **Plug-in ecosystem** | No After Effects SDK hosting (#600, #327 OpenFX, #334, #376 plug-in manager); our WebAssembly API has no third-party plug-ins | Many pro projects depend on Trapcode, Element, Saber… | 40–80 h for API growth; SDK hosting needs an owner decision | G8 · [scripting-parity.md](scripting-parity.md) |
 | 20 | **Multi-monitor and video output** | #486: any panel can move into a native window of its own (panel menu ▸ Move Panel to New Window, `window.panelWindow`) and so onto another screen, restored with the workspace; still missing: dragging tabs between those windows, app shortcuts while one has the focus, named workspaces remembering them, Mercury Transmit to video hardware (we have a second preview window only) | Two-screen setups are standard for professionals | 10–20 h | G2 · [hardware-parity.md](hardware-parity.md) |
-| 21 | **Small 26.x features** | Proportional Scrubbing (26.2), pasting Illustrator's own clipboard data as shapes (26.3; SVG markup on the clipboard pastes as a shape layer, #738), variable-font filter (26.3), the rebuilt Effect Controls (26.5). Percentage guides (View ▸ Add Percentage Guide, Convert Guides to Percentage / Pixels) and effect colour labels (Effect Controls header bar and right-click Label menu, `effect.setLabel`) are in (#1095), built from the release notes' one-line descriptions and never compared with After Effects: the Timeline shows no effect label, and the labels' exact UI there is unknown | Users of the current version expect them | 10–20 h left | — · [ui-parity.md](ui-parity.md) |
+| 21 | **Small 26.x features** | Proportional Scrubbing (26.2), pasting Illustrator's own clipboard data as shapes (26.3; SVG markup on the clipboard pastes as a shape layer, #738), variable-font filter (26.3), the rebuilt Effect Controls (26.5). Percentage guides (View ▸ Add Percentage Guide, Convert Guides to Percentage / Pixels) and effect colour labels (Effect Controls header bar and right-click Label menu, `effect.setLabel`) are in (#1095), built from the release notes' one-line descriptions and never compared with After Effects: the Timeline's effect rows wear the label as a colour bar on the left edge (#1509), but After Effects' exact UI there is unknown | Users of the current version expect them | 10–20 h left | — · [ui-parity.md](ui-parity.md) |
 | 22 | **Encoder efficiency** | HEVC / AV1 have no B-frames, multi-reference or SAO / CDEF; Opus no FEC / DTX; single-file intermediates are 8-bit uncompressed QuickTime only (#372 closed by #778: no 16-bpc, AVI or lossless-compressed codec); #325 render over existing file | Larger files than After Effects + Media Encoder | 20–40 h | G6 · [file-format-parity.md](file-format-parity.md) |
 | 23 | **Essential Graphics interchange** | Templates are `.ectemplate`, not `.mogrt`; #338 and #611 closed | Premiere editors can't use our templates | 15–30 h | — · [file-format-parity.md](file-format-parity.md) |
 | 24 | **Timeline depth requests** | #601 expand precomps in place, #602 reorderable render stack, #604 guide-only effects, #425 keyframe confusion (#355 and #428 closed) | Power-user speed | 15–30 h | G2 · [ui-parity.md](ui-parity.md) |
diff --git a/docs/ui-parity.md b/docs/ui-parity.md
index 22da668d..ea17bcd4 100644
--- a/docs/ui-parity.md
+++ b/docs/ui-parity.md
@@ -22,7 +22,7 @@ feel and platform differences, and the 26.x interface changes are not in yet.
 | Tools panel | All After Effects tools; long-press flyouts; Tool Creates Shape / Mask; Fill / Stroke options | 80% | #213, #227 fixed; #553 (pen and vertex tools on motion paths) is closed |
 | Nudging and modifiers | Arrow nudge (1 px, Shift 10 px), Alt/Option duplicates and slips, Shift constrains | 75% | #290 nudging fixed; #491 (Linux multi-layer edits) is closed |
 | Numeric entry | Scrubbable values, typed entry with Tab / Shift+Tab, angle revolutions, Escape cancels, non-finite rejected | 85% | `ui_angles`, `ui_inline_edit` (#93, #141, #361); rename arrows on Linux (#488) |
-| Effect Controls | After Effects' twirl-downs, angle dial, point crosshair, eyedropper, curves/levels editors, effect menu on right-click | 70% | `ui_effect_controls`, `ui_fx_editors`; 26.5 rebuilt this panel with icon controls and effect colour labels: labels exist (a colour bar on the effect header, right-click Label menu, `effect.setLabel`; not in the Timeline), the rebuilt controls are not matched |
+| Effect Controls | After Effects' twirl-downs, angle dial, point crosshair, eyedropper, curves/levels editors, effect menu on right-click | 70% | `ui_effect_controls`, `ui_fx_editors`; 26.5 rebuilt this panel with icon controls and effect colour labels: labels exist (a colour bar on the effect header and on the effect's Timeline row, right-click Label menu, `effect.setLabel`), the rebuilt controls are not matched |
 | Context menus | Layer, property, Project, Timeline empty area, work area, labels with colours | 80% | `ui_blank_context_menus`, `ui_project_rows`; #227, #290, #407 fixed; a comp's Project row menu has Composition Settings… (#1058) |
 | Keyboard shortcuts | After Effects' defaults; Keyboard Shortcuts editor that rebinds and saves sets | 75% | Shortcut editor in Settings; #467 (adding shortcuts on Linux), #428 and #336 are closed; no shortcuts for scripts |
 | Drag and drop | Project → Timeline / viewer / New Comp / Render Queue; effects onto layers; files from the OS | 65% | `ui_drag_drop`; OS drops fail on Wayland (winit) and some Linux setups (#268); #552, #351 (multi-file drops) and #511 (crash dragging over the import dialog) are closed |