diff --git a/crates/tools/src/xform/eyedropper.rs b/crates/tools/src/xform/eyedropper.rs
index fa85a8253..5356452ed 100644
--- a/crates/tools/src/xform/eyedropper.rs
+++ b/crates/tools/src/xform/eyedropper.rs
@@ -11,6 +11,9 @@
 //! The Gradient panel's eyedropper sets the `stop` option (the tool to return to): the next click
 //! samples the colour under the cursor into the selected gradient stop (`paint.sampleColor
 //! {stop}`) and switches back to that tool.
+//!
+//! Brush Options' Key Color eyedropper sets `brushKeyColor` and `stop`: the next click samples into
+//! the open dialog (`brushKeyColor` UI request) and switches back.
 
 use serde_json::{Value, json};
 use vectorcraft_color::{Color, Paint};
@@ -26,6 +29,8 @@ use crate::{Action, Cursor, Mods, PointerEvent, PointerKind, Tool, ToolContext};
 pub struct EyedropperTool {
     /// Sampling for the selected gradient stop: the tool to switch back to afterwards.
     stop: Option<String>,
+    /// Brush Options › Key Color (Hue Shift): sample into the dialog, then [`Self::stop`].
+    brush_key_color: bool,
 }
 
 /// The colour of `paint` at `p` (gradients are sampled along their vector, radial ones honouring
@@ -83,6 +88,19 @@ impl Tool for EyedropperTool {
         // A click inside a fill or among characters samples it too, whatever Object and Type
         // Object Selection by Path Only say.
         let opts = vectorcraft_doc::hit::HitOptions { path_only: false, type_path_only: false, ..cx.hit_options() };
+        if self.brush_key_color {
+            let h = hit_test_visible(cx.doc, ev.pos, opts);
+            let Some(h) = h else { return vec![] };
+            let src = paint_owner(cx.doc, h.leaf);
+            let Some(n) = cx.doc.node(src) else { return vec![] };
+            let image = matches!(n.kind, NodeKind::Image(_));
+            let sampled = if image { image_color_at(cx, n, ev.pos) } else { paint_sample(n, h.kind == HitKind::Stroke, ev.pos) };
+            let Some(c) = sampled else { return vec![] };
+            let back = self.stop.clone().unwrap_or_else(|| "selection".to_string());
+            self.brush_key_color = false;
+            self.stop = None;
+            return vec![Action::Dialog("brushKeyColor".into(), json!({ "color": color_json(&c) })), Action::SwitchTool(back)];
+        }
         let stop = self.stop.as_ref().zip(cx.gradient_stop);
         // Reading a source is independent of its editability. Only Alt's reverse operation
         // writes to the clicked object; Shift+Alt appends its appearance to the selection.
@@ -108,12 +126,14 @@ impl Tool for EyedropperTool {
     }
 
     fn options(&self) -> Value {
-        json!({ "stop": self.stop })
+        json!({ "stop": self.stop, "brushKeyColor": self.brush_key_color })
     }
 
     fn set_option(&mut self, key: &str, value: &Value) {
-        if key == "stop" {
-            self.stop = value.as_str().map(str::to_string);
+        match key {
+            "stop" => self.stop = value.as_str().map(str::to_string),
+            "brushKeyColor" => self.brush_key_color = value.as_bool().unwrap_or(false),
+            _ => {}
         }
     }
 
@@ -175,7 +195,7 @@ mod tests {
         let mut cx = cx(&d, &s, &p);
         let mut t = EyedropperTool::default();
         t.set_option("stop", &json!("gradient"));
-        assert_eq!(t.options(), json!({"stop": "gradient"}));
+        assert_eq!(t.options(), json!({"stop": "gradient", "brushKeyColor": false}));
         // Without a selected stop the click copies the appearance as usual.
         let a = t.pointer(&cx, &PointerEvent::new(PointerKind::Down, 150.0, 150.0));
         assert!(matches!(&a[0], Action::Exec(c, _) if c == "appearance.copyFrom"));
@@ -190,7 +210,24 @@ mod tests {
                 Action::SwitchTool("gradient".into())
             ]
         );
-        assert_eq!(t.options(), json!({"stop": null}), "one sample only");
+        assert_eq!(t.options(), json!({"stop": null, "brushKeyColor": false}), "one sample only");
+    }
+
+    #[test]
+    fn brush_key_color_samples_into_the_dialog_then_switches_back() {
+        let (d, _) = doc_with_rect();
+        let s = Selection::default();
+        let p = paint();
+        let cx = cx(&d, &s, &p);
+        let mut t = EyedropperTool::default();
+        t.set_option("brushKeyColor", &json!(true));
+        t.set_option("stop", &json!("selection"));
+        let a = t.pointer(&cx, &PointerEvent::new(PointerKind::Down, 150.0, 150.0));
+        assert_eq!(
+            a,
+            vec![Action::Dialog("brushKeyColor".into(), json!({ "color": color_json(&Color::WHITE) })), Action::SwitchTool("selection".into())]
+        );
+        assert_eq!(t.options(), json!({ "stop": null, "brushKeyColor": false }));
     }
 
     /// The hex of the colour a `paint.sampleColor` action samples.
diff --git a/crates/ui-egui/src/dialogs/brush_art_options.rs b/crates/ui-egui/src/dialogs/brush_art_options.rs
index 922b8c2ee..29a664679 100644
--- a/crates/ui-egui/src/dialogs/brush_art_options.rs
+++ b/crates/ui-egui/src/dialogs/brush_art_options.rs
@@ -25,6 +25,7 @@ use vectorcraft_color::{Color, Paint};
 use vectorcraft_doc::{Appearance, Document, Node, NodeId};
 
 use super::brush_options::{clamped, mode_key, stroke_preview};
+use crate::VectorcraftApp;
 use crate::state::Dialog;
 use crate::theme::Tokens;
 use crate::widgets;
@@ -199,14 +200,14 @@ pub(super) fn params(d: &Dialog) -> Value {
 
 // ---------- body ----------
 
-pub(super) fn body(ui: &mut egui::Ui, d: &mut Dialog) {
+pub(super) fn body(app: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) {
     match d.str("__type").as_str() {
         "scatter" => scatter_body(ui, d),
         "art" => art_body(ui, d),
         _ => pattern_body(ui, d),
     }
     ui.add_space(6.0);
-    colorization_body(ui, d);
+    colorization_body(app, ui, d);
     ui.add_space(10.0);
     // The brush as OK would make it, on a sample stroke.
     let ty = d.str("__type");
@@ -479,7 +480,15 @@ fn tile_doc(art: &Node, w: f64, h: f64) -> Option<Document> {
     Some(doc)
 }
 
-fn colorization_body(ui: &mut egui::Ui, d: &mut Dialog) {
+/// Key Color eyedropper: sample the next click on the art into this dialog's `keyColor`.
+fn key_color_eyedropper(app: &mut VectorcraftApp) {
+    let back = app.session.tool_id();
+    app.select_tool("eyedropper");
+    app.session.set_tool_option("brushKeyColor", &json!(true));
+    app.session.set_tool_option("stop", &json!(back));
+}
+
+fn colorization_body(app: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) {
     widgets::section_header(ui, tl!("Colorization"));
     let methods = [tl!("None"), tl!("Tints"), tl!("Tints and Shades"), tl!("Hue Shift")];
     let cur = d.str("colorization");
@@ -513,6 +522,19 @@ fn colorization_body(ui: &mut egui::Ui, d: &mut Dialog) {
                     d.fields.insert("keyColor".into(), serde_json::to_value(c).unwrap_or_default());
                 }
             }
+            if widgets::icon_button(ui, "pipette", tl!("Eyedropper: click the art to sample the key color"), false, 22.0).clicked() {
+                key_color_eyedropper(app);
+            }
         });
     });
 }
+
+/// Apply a sampled colour to the open Brush Options dialog (`brushKeyColor` tool request).
+pub(super) fn apply_key_color_sample(app: &mut VectorcraftApp, color: &Value) {
+    let Some(d) = app.ui.dialog.as_mut().filter(|d| d.kind == super::brush_options::KIND) else { return };
+    if d.str("colorization") != "hueShift" {
+        return;
+    }
+    let Some(c) = vectorcraft_engine::cmd::color_value(color) else { return };
+    d.fields.insert("keyColor".into(), serde_json::to_value(c).unwrap_or_default());
+}
diff --git a/crates/ui-egui/src/dialogs/brush_options.rs b/crates/ui-egui/src/dialogs/brush_options.rs
index d67583135..3d6dc863c 100644
--- a/crates/ui-egui/src/dialogs/brush_options.rs
+++ b/crates/ui-egui/src/dialogs/brush_options.rs
@@ -242,7 +242,7 @@ fn body(app: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) -> bool {
     match d.str("__type").as_str() {
         "bristle" => bristle_body(app, ui, d),
         "calligraphic" => calligraphic_body(ui, d),
-        _ => brush_art_options::body(ui, d),
+        _ => brush_art_options::body(app, ui, d),
     }
     false
 }
@@ -521,6 +521,25 @@ mod tests {
         assert_eq!((d.str("sizeMode"), d.str("spacingMode"), d.str("colorization")), ("fixed".into(), "pressure".into(), "hueShift".into()));
     }
 
+    #[test]
+    fn brush_key_color_eyedropper_updates_the_open_dialog() {
+        use vectorcraft_tools::{PointerEvent, PointerKind};
+        let mut app = app();
+        app.run("paint.setFill", json!({"color": "#336699"})).unwrap();
+        app.run("shape.rectangle", json!({"x": 40, "y": 40, "width": 80, "height": 60})).unwrap();
+        app.run("ui.brushOptions", json!({"name": "Confetti"})).unwrap();
+        set(&mut app, json!({"colorization": "hueShift"}));
+        let back = app.session.tool_id();
+        app.select_tool("eyedropper");
+        app.session.set_tool_option("brushKeyColor", &json!(true));
+        app.session.set_tool_option("stop", &json!(back));
+        let view = app.view_info();
+        crate::canvas::dispatch(&mut app, &PointerEvent::new(PointerKind::Down, 80.0, 70.0), view);
+        let key = app.ui.dialog.as_ref().unwrap().fields.get("keyColor").cloned().unwrap();
+        assert_eq!(vectorcraft_engine::cmd::color_value(&key).unwrap().to_hex(), "#336699");
+        assert_eq!(app.session.tool_id(), back);
+    }
+
     #[test]
     fn art_options_set_width_scale_direction_flips_and_colorization() {
         let mut app = app();
diff --git a/crates/ui-egui/src/dialogs/tools.rs b/crates/ui-egui/src/dialogs/tools.rs
index 1947742ac..acd76f3f4 100644
--- a/crates/ui-egui/src/dialogs/tools.rs
+++ b/crates/ui-egui/src/dialogs/tools.rs
@@ -68,6 +68,13 @@ pub fn open_tool_dialog(app: &mut VectorcraftApp, kind: &str, p: Value) {
         }
         // Double-clicking a stop on the gradient annotator: its popover, next to the stop's chip.
         "gradientStop" => Dialog::new(kind, json!({"index": p.get("index").cloned().unwrap_or(json!(0)), "x": x, "y": y, "tab": "color"})),
+        // Brush Options › Key Color eyedropper: update the open dialog, do not replace it.
+        "brushKeyColor" => {
+            if let Some(c) = p.get("color") {
+                super::brush_art_options::apply_key_color_sample(app, c);
+            }
+            return;
+        }
         // Double-clicking a width point with the Width tool: Width Point Edit.
         super::width_point::KIND => {
             if let Err(e) = super::width_point::open(app, &p) {
diff --git a/crates/ui-egui/src/i18n/bg.tsv b/crates/ui-egui/src/i18n/bg.tsv
index d33d4c3c2..da83725ec 100644
--- a/crates/ui-egui/src/i18n/bg.tsv
+++ b/crates/ui-egui/src/i18n/bg.tsv
@@ -1033,6 +1033,7 @@
 	Eyedropper Picks Up:	Пипетата взема:
 	Eyedropper Tool	Инструмент „Пипета“
 	Eyedropper: click the art to sample the stop's colour	Пипета: щракнете върху графиката, за да вземете мостра от цвета на стъпката
+	Eyedropper: click the art to sample the key color	Пипета: щракнете върху графиката, за да вземете мостра от основния цвят
 	Favorites	Любими
 	Feather…	Раздробяване…
 	Feet	Футове
diff --git a/crates/ui-egui/src/i18n/cs.tsv b/crates/ui-egui/src/i18n/cs.tsv
index 38e940602..cff1140a4 100644
--- a/crates/ui-egui/src/i18n/cs.tsv
+++ b/crates/ui-egui/src/i18n/cs.tsv
@@ -1494,6 +1494,7 @@ lighting	Light	Světlo
 	Edit the selected point's colour in the Color panel	Upravit barvu vybraného bodu v panelu Barva
 	Edit the stop	Upravit zarážku
 	Eyedropper: click the art to sample the stop's colour	Kapátko: kliknutím na kresbu naberete barvu zarážky
+	Eyedropper: click the art to sample the key color	Kapátko: kliknutím na kresbu naberete klíčovou barvu
 	Gradient across stroke	Přechod napříč tahem
 	Gradient along stroke	Přechod podél tahu
 	Gradient Fill: click to apply, drag onto art	Přechodová výplň: kliknutím použijete, přetáhněte na kresbu
diff --git a/crates/ui-egui/src/i18n/da.tsv b/crates/ui-egui/src/i18n/da.tsv
index c3ffbf418..c9b7a849a 100644
--- a/crates/ui-egui/src/i18n/da.tsv
+++ b/crates/ui-egui/src/i18n/da.tsv
@@ -1411,6 +1411,7 @@ lighting	Light	Lys
 	Edit the selected point's colour in the Color panel	Redigér det markerede punkts farve i farvepanelet
 	Edit the stop	Redigér stoppet
 	Eyedropper: click the art to sample the stop's colour	Pipette: klik på grafikken for at prøvetage stoppets farve
+	Eyedropper: click the art to sample the key color	Pipette: klik på grafikken for at prøvetage nøglefarven
 	Gradient across stroke	Gradient på tværs af konturen
 	Gradient along stroke	Gradient langs konturen
 	Gradient Fill: click to apply, drag onto art	Gradientfyld: klik for at anvende, træk hen over grafikken
diff --git a/crates/ui-egui/src/i18n/de.tsv b/crates/ui-egui/src/i18n/de.tsv
index be5b88971..8930eee99 100644
--- a/crates/ui-egui/src/i18n/de.tsv
+++ b/crates/ui-egui/src/i18n/de.tsv
@@ -1037,6 +1037,7 @@
 	Eyedropper Picks Up:	Pipette nimmt auf:
 	Eyedropper Tool	Pipette-Werkzeug
 	Eyedropper: click the art to sample the stop's colour	Pipette: Klicken Sie auf die Grafik, um die Farbe für den Farbstopp aufzunehmen
+	Eyedropper: click the art to sample the key color	Pipette: Klicken Sie auf die Grafik, um die Hauptfarbe aufzunehmen
 	Favorites	Favoriten
 	Feather…	Weiche Kante…
 	Feet	Fuß
diff --git a/crates/ui-egui/src/i18n/el.tsv b/crates/ui-egui/src/i18n/el.tsv
index 6a62721bc..ebe501b81 100644
--- a/crates/ui-egui/src/i18n/el.tsv
+++ b/crates/ui-egui/src/i18n/el.tsv
@@ -999,6 +999,7 @@
 	Eyedropper Picks Up:	Το σταγονόμετρο λαμβάνει:
 	Eyedropper Tool	Σταγονόμετρο (Eyedropper Tool)
 	Eyedropper: click the art to sample the stop's colour	Σταγονόμετρο: κλικ στα γραφικά για δειγματοληψία χρώματος σημείου διακοπής
+	Eyedropper: click the art to sample the key color	Σταγονόμετρο: κλικ στα γραφικά για δειγματοληψία βασικού χρώματος
 	Favorites	Αγαπημένα
 	Feather…	Απαλό περίγραμμα…
 	Feet	Πόδια
diff --git a/crates/ui-egui/src/i18n/es.tsv b/crates/ui-egui/src/i18n/es.tsv
index ea6d88348..838c502b9 100644
--- a/crates/ui-egui/src/i18n/es.tsv
+++ b/crates/ui-egui/src/i18n/es.tsv
@@ -1053,6 +1053,7 @@
 	Eyedropper Picks Up:	El cuentagotas toma:
 	Eyedropper Tool	Herramienta Cuentagotas
 	Eyedropper: click the art to sample the stop's colour	Cuentagotas: haz clic en la ilustración para tomar el color de la parada
+	Eyedropper: click the art to sample the key color	Cuentagotas: haz clic en la ilustración para tomar el color clave
 	Favorites	Favoritos
 	Feather…	Desvanecer…
 	Feet	Pies
diff --git a/crates/ui-egui/src/i18n/fi.tsv b/crates/ui-egui/src/i18n/fi.tsv
index 2a4ba6ba0..622cff83a 100644
--- a/crates/ui-egui/src/i18n/fi.tsv
+++ b/crates/ui-egui/src/i18n/fi.tsv
@@ -1468,6 +1468,7 @@ lighting	Light	Valo
 	Edit the selected point's colour in the Color panel	Muokkaa valitun pisteen väriä Väri-paneelissa
 	Edit the stop	Muokkaa väripistettä
 	Eyedropper: click the art to sample the stop's colour	Pipetti: ota väripisteen väri näytteeksi napsauttamalla kuvitusta
+	Eyedropper: click the art to sample the key color	Pipetti: ota avainväri näytteeksi napsauttamalla kuvitusta
 	Gradient across stroke	Liukuväri viivan poikki
 	Gradient along stroke	Liukuväri viivaa pitkin
 	Gradient Fill: click to apply, drag onto art	Liukuväritäyttö: käytä napsauttamalla, vedä kuvituksen päälle
diff --git a/crates/ui-egui/src/i18n/fr.tsv b/crates/ui-egui/src/i18n/fr.tsv
index e0c557dd4..e711a5810 100644
--- a/crates/ui-egui/src/i18n/fr.tsv
+++ b/crates/ui-egui/src/i18n/fr.tsv
@@ -1053,6 +1053,7 @@
 	Eyedropper Picks Up:	La pipette prélève :
 	Eyedropper Tool	Outil Pipette
 	Eyedropper: click the art to sample the stop's colour	Pipette : cliquez sur l’illustration pour prélever la couleur de l’étape de dégradé
+	Eyedropper: click the art to sample the key color	Pipette : cliquez sur l’illustration pour prélever la couleur clé
 	Favorites	Favoris
 	Feather…	Contour progressif…
 	Feet	Pieds
diff --git a/crates/ui-egui/src/i18n/hu.tsv b/crates/ui-egui/src/i18n/hu.tsv
index 654864d4e..bcc584e8e 100644
--- a/crates/ui-egui/src/i18n/hu.tsv
+++ b/crates/ui-egui/src/i18n/hu.tsv
@@ -1342,6 +1342,7 @@
 	Eyedropper Picks Up:	A pipetta felveszi:
 	Eyedropper Tool	Pipetta
 	Eyedropper: click the art to sample the stop's colour	Pipetta: kattints a grafikára a pont színének mintavételéhez
+	Eyedropper: click the art to sample the key color	Pipetta: kattints a grafikára a kulcsszín mintavételéhez
 	Farsi	Perzsa
 	Favorites	Kedvencek
 	Feather	Tollazat
diff --git a/crates/ui-egui/src/i18n/id.tsv b/crates/ui-egui/src/i18n/id.tsv
index e46790e49..43f87bafd 100644
--- a/crates/ui-egui/src/i18n/id.tsv
+++ b/crates/ui-egui/src/i18n/id.tsv
@@ -1411,6 +1411,7 @@ lighting	Light	Cahaya
 	Edit the selected point's colour in the Color panel	Edit warna titik terpilih di panel Warna
 	Edit the stop	Edit stop
 	Eyedropper: click the art to sample the stop's colour	Pipet: klik karya seni untuk mengambil sampel warna stop
+	Eyedropper: click the art to sample the key color	Pipet: klik karya seni untuk mengambil sampel warna kunci
 	Gradient across stroke	Gradien melintasi stroke
 	Gradient along stroke	Gradien sepanjang stroke
 	Gradient Fill: click to apply, drag onto art	Isian gradien: klik untuk menerapkan, seret ke karya seni
diff --git a/crates/ui-egui/src/i18n/it.tsv b/crates/ui-egui/src/i18n/it.tsv
index d654dfab5..1185cb1f6 100644
--- a/crates/ui-egui/src/i18n/it.tsv
+++ b/crates/ui-egui/src/i18n/it.tsv
@@ -1053,6 +1053,7 @@
 	Eyedropper Picks Up:	Il contagocce preleva:
 	Eyedropper Tool	Strumento Contagocce
 	Eyedropper: click the art to sample the stop's colour	Contagocce: fai clic sulla grafica per campionare il colore del cursore
+	Eyedropper: click the art to sample the key color	Contagocce: fai clic sulla grafica per campionare il colore chiave
 	Favorites	Preferiti
 	Feather…	Sfuma bordi…
 	Feet	Piedi
diff --git a/crates/ui-egui/src/i18n/ja.tsv b/crates/ui-egui/src/i18n/ja.tsv
index 3a40ad331..7df3e91c5 100644
--- a/crates/ui-egui/src/i18n/ja.tsv
+++ b/crates/ui-egui/src/i18n/ja.tsv
@@ -1468,6 +1468,7 @@
 	Eyedropper Picks Up:	スポイトの抽出:
 	Eyedropper Tool	スポイトツール
 	Eyedropper: click the art to sample the stop's colour	スポイト: アートをクリックして分岐点のカラーをサンプル
+	Eyedropper: click the art to sample the key color	スポイト: アートをクリックしてキーカラーをサンプル
 	Feet	フィート
 	Feet & Inches	フィート・インチ
 	Fewer <tspan> Elements	<tspan>要素を減らす
diff --git a/crates/ui-egui/src/i18n/ka.tsv b/crates/ui-egui/src/i18n/ka.tsv
index 41c86cb43..d61e5ddf4 100644
--- a/crates/ui-egui/src/i18n/ka.tsv
+++ b/crates/ui-egui/src/i18n/ka.tsv
@@ -1326,6 +1326,7 @@ lighting	Light	სინათლე
 	Edit the selected point's colour in the Color panel	მონიშნული წერტილის ფერის რედაქტირება ფერის პანელში
 	Edit the stop	გადასვლის წერტილის რედაქტირება
 	Eyedropper: click the art to sample the stop's colour	პიპეტი: დაწკაპეთ ნახატზე გადასვლის წერტილის ფერის ასაღებად
+	Eyedropper: click the art to sample the key color	პიპეტი: დაწკაპეთ ნახატზე საკვანძო ფერის ასაღებად
 	Gradient across stroke	გრადიენტი კონტურის განივად
 	Gradient along stroke	გრადიენტი კონტურის სიგრძეზე
 	Gradient Fill: click to apply, drag onto art	გრადიენტული შევსება: დაწკაპეთ გამოსაყენებლად, ჩაავლეთ ნახატზე
diff --git a/crates/ui-egui/src/i18n/ko.tsv b/crates/ui-egui/src/i18n/ko.tsv
index cf336f39a..dc5249098 100644
--- a/crates/ui-egui/src/i18n/ko.tsv
+++ b/crates/ui-egui/src/i18n/ko.tsv
@@ -1463,6 +1463,7 @@
 	Eyedropper Picks Up:	스포이드 추출 대상:
 	Eyedropper Tool	스포이드 도구
 	Eyedropper: click the art to sample the stop's colour	스포이드: 아트웍을 클릭해 정지점의 색상 추출
+	Eyedropper: click the art to sample the key color	스포이드: 아트웍을 클릭해 키 색상 추출
 	Feet	피트
 	Feet & Inches	피트 및 인치
 	Fewer <tspan> Elements	<tspan> 요소 줄이기
diff --git a/crates/ui-egui/src/i18n/nl.tsv b/crates/ui-egui/src/i18n/nl.tsv
index e0d559649..5e538538b 100644
--- a/crates/ui-egui/src/i18n/nl.tsv
+++ b/crates/ui-egui/src/i18n/nl.tsv
@@ -1425,6 +1425,7 @@ lighting	Light	Licht
 	Edit the selected point's colour in the Color panel	Bewerk de kleur van het geselecteerde punt in het Kleur-paneel
 	Edit the stop	Stoppunt bewerken
 	Eyedropper: click the art to sample the stop's colour	Pipet: klik op de illustratie om de kleur van het stoppunt over te nemen
+	Eyedropper: click the art to sample the key color	Pipet: klik op de illustratie om de sleutelkleur over te nemen
 	Gradient across stroke	Verloop over de lijn
 	Gradient along stroke	Verloop langs de lijn
 	Gradient Fill: click to apply, drag onto art	Verloopvulling: klik om toe te passen, sleep naar de illustratie
diff --git a/crates/ui-egui/src/i18n/pl.tsv b/crates/ui-egui/src/i18n/pl.tsv
index a6e5824b3..616eac9b9 100644
--- a/crates/ui-egui/src/i18n/pl.tsv
+++ b/crates/ui-egui/src/i18n/pl.tsv
@@ -1408,6 +1408,7 @@ lighting	Light	Światło
 	Edit the selected point's colour in the Color panel	Edytuj kolor zaznaczonego punktu w panelu Kolor
 	Edit the stop	Edytuj punkt koloru
 	Eyedropper: click the art to sample the stop's colour	Kroplomierz: kliknij kompozycję, aby pobrać kolor punktu
+	Eyedropper: click the art to sample the key color	Kroplomierz: kliknij kompozycję, aby pobrać kolor kluczowy
 	Gradient across stroke	Gradient w poprzek obrysu
 	Gradient along stroke	Gradient wzdłuż obrysu
 	Gradient Fill: click to apply, drag onto art	Wypełnienie gradientem: kliknij, aby zastosować, przeciągnij na kompozycję
diff --git a/crates/ui-egui/src/i18n/pt-br.tsv b/crates/ui-egui/src/i18n/pt-br.tsv
index 117b541a1..6de4d62fa 100644
--- a/crates/ui-egui/src/i18n/pt-br.tsv
+++ b/crates/ui-egui/src/i18n/pt-br.tsv
@@ -938,6 +938,7 @@
 	Eyedropper Picks Up:	O Conta-gotas Capta:
 	Eyedropper Tool	Ferramenta Conta-gotas
 	Eyedropper: click the art to sample the stop's colour	Conta-gotas: clique na arte para colher a cor da parada
+	Eyedropper: click the art to sample the key color	Conta-gotas: clique na arte para colher a cor-chave
 	Feather…	Penugem…
 	Feet	Pés
 	Feet & Inches	Pés e Polegadas
diff --git a/crates/ui-egui/src/i18n/ru.tsv b/crates/ui-egui/src/i18n/ru.tsv
index 72ae9a1a4..be6378557 100644
--- a/crates/ui-egui/src/i18n/ru.tsv
+++ b/crates/ui-egui/src/i18n/ru.tsv
@@ -1051,6 +1051,7 @@
 	Eyedropper Picks Up:	Пипетка берёт:
 	Eyedropper Tool	Инструмент «Пипетка»
 	Eyedropper: click the art to sample the stop's colour	Пипетка: щёлкните рисунок, чтобы взять цвет точки перехода
+	Eyedropper: click the art to sample the key color	Пипетка: щёлкните рисунок, чтобы взять ключевой цвет
 	Favorites	Избранное
 	Feather…	Растушёвка…
 	Feet	Футы
diff --git a/crates/ui-egui/src/i18n/sv.tsv b/crates/ui-egui/src/i18n/sv.tsv
index 41feec1d6..4550960ee 100644
--- a/crates/ui-egui/src/i18n/sv.tsv
+++ b/crates/ui-egui/src/i18n/sv.tsv
@@ -1035,6 +1035,7 @@
 	Eyedropper Picks Up:	Pipetten hämtar:
 	Eyedropper Tool	Pipettverktyg
 	Eyedropper: click the art to sample the stop's colour	Pipett: klicka på grafiken för att hämta stoppets färg
+	Eyedropper: click the art to sample the key color	Pipett: klicka på grafiken för att hämta nyckelfärgen
 	Favorites	Favoriter
 	Feather…	Fjädring…
 	Feet	Fot
diff --git a/crates/ui-egui/src/i18n/uk.tsv b/crates/ui-egui/src/i18n/uk.tsv
index 8a2632faf..71cd4d8de 100644
--- a/crates/ui-egui/src/i18n/uk.tsv
+++ b/crates/ui-egui/src/i18n/uk.tsv
@@ -1047,6 +1047,7 @@
 	Eyedropper Picks Up:	Піпетка бере:
 	Eyedropper Tool	Інструмент «Піпетка»
 	Eyedropper: click the art to sample the stop's colour	Піпетка: натисніть на малюнок, щоб взяти колір точки переходу
+	Eyedropper: click the art to sample the key color	Піпетка: натисніть на малюнок, щоб взяти ключовий колір
 	Favorites	Вибране
 	Feather…	Розтушування…
 	Feet	Фути
diff --git a/crates/ui-egui/src/i18n/vi.tsv b/crates/ui-egui/src/i18n/vi.tsv
index 0b16b5910..81451af54 100644
--- a/crates/ui-egui/src/i18n/vi.tsv
+++ b/crates/ui-egui/src/i18n/vi.tsv
@@ -1220,6 +1220,7 @@
 	Eyedropper Picks Up:	Ống hút màu lấy mẫu:
 	Eyedropper Tool	Công cụ Ống hút màu
 	Eyedropper: click the art to sample the stop's colour	Ống hút màu: bấm vào tác phẩm để lấy mẫu màu điểm dừng
+	Eyedropper: click the art to sample the key color	Ống hút màu: bấm vào tác phẩm để lấy mẫu màu chủ
 	Farsi	Farsi
 	Favorites	Yêu thích
 	Feather…	Làm mờ dần…
diff --git a/crates/ui-egui/src/i18n/zh-hans.tsv b/crates/ui-egui/src/i18n/zh-hans.tsv
index 1cfe855d8..5bd8d1d06 100644
--- a/crates/ui-egui/src/i18n/zh-hans.tsv
+++ b/crates/ui-egui/src/i18n/zh-hans.tsv
@@ -1002,6 +1002,7 @@
 	Eyedropper Picks Up:	吸管拾取：
 	Eyedropper Tool	吸管工具
 	Eyedropper: click the art to sample the stop's colour	吸管：点击图稿以取样色标的颜色
+	Eyedropper: click the art to sample the key color	吸管：点击图稿以取样主色
 	Feather…	羽化…
 	Feet	英尺
 	Feet & Inches	英尺和英寸
diff --git a/crates/ui-egui/src/i18n/zh-hant.tsv b/crates/ui-egui/src/i18n/zh-hant.tsv
index 86b007de8..4b6af3426 100644
--- a/crates/ui-egui/src/i18n/zh-hant.tsv
+++ b/crates/ui-egui/src/i18n/zh-hant.tsv
@@ -1024,6 +1024,7 @@
 	Eyedropper Picks Up:	滴管擷取：
 	Eyedropper Tool	滴管工具
 	Eyedropper: click the art to sample the stop's colour	滴管：點擊圖稿以取樣色標的顏色
+	Eyedropper: click the art to sample the key color	滴管：點擊圖稿以取樣主要顏色
 	Favorites	我的最愛
 	Feather…	羽化…
 	Feet	英呎
diff --git a/crates/ui-egui/src/panels/gradient.rs b/crates/ui-egui/src/panels/gradient.rs
index e7c407c4b..909a292b2 100644
--- a/crates/ui-egui/src/panels/gradient.rs
+++ b/crates/ui-egui/src/panels/gradient.rs
@@ -1119,6 +1119,6 @@ mod tests {
         let texts = Panel::new().frame(&mut app, vec![], Modifiers::NONE);
         assert!(texts.iter().any(|(t, _)| t == "#FFFFFF"), "the stop's colour row: {texts:?}");
         stop_eyedropper(&mut app);
-        assert_eq!((app.session.tool_id(), app.session.tool_options()), ("eyedropper", json!({"stop": "gradient"})));
+        assert_eq!((app.session.tool_id(), app.session.tool_options()), ("eyedropper", json!({"stop": "gradient", "brushKeyColor": false})));
     }
 }
diff --git a/docs/gaps.md b/docs/gaps.md
index 8cabe62bc..10204c2f4 100644
--- a/docs/gaps.md
+++ b/docs/gaps.md
@@ -275,9 +275,10 @@ from G14 and the budget run of G15: **~170–270 h** one agent, ~50–80 h wall
   Export Type (Graphic or Movie Clip; default Movie Clip; `symbol.new` / `symbol.options` / Symbols panel;
   canvas placement unchanged; Animate / Flash handoff metadata); Symbol Options › Enable Guides for 9-Slice
   Scaling (four guides as fractions of the symbol size, `nineSlice` / `nineSliceGuides` on `symbol.new` /
-  `symbol.options`, stored per symbol; handoff metadata, not drawn on the canvas, #2342).
+  `symbol.options`, stored per symbol; handoff metadata, not drawn on the canvas, #2342); Brush Options › Key
+  Color eyedropper for scatter, art and pattern brushes (Hue Shift colorization; samples canvas art).
 - **Missing:** the Art brush's Overlap, auto-generated Pattern brush corners, new tile art in Pattern Brush
-  Options, the Key Color eyedropper; original brush, symbol and graphic-style libraries generated in code (never
+  Options; original brush, symbol and graphic-style libraries generated in code (never
   Adobe's); dynamic symbols; Start Global Edit; drawing the 9-slice guides on the canvas in symbol edit mode and scaling by them.
 - **Estimate:** 15–26 h.