diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index 50a9b2ce0d..53fc890e16 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -15896,7 +15896,7 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
   --data-grid-row-muted-bg: rgb(240, 240, 240);
   --data-grid-row-new-bg: rgb(243, 243, 243);
   --data-grid-row-deleted-bg: rgb(255, 244, 244);
-  --data-grid-cell-active-bg: rgb(244, 248, 255);
+  --data-grid-cell-active-bg: rgb(219, 234, 254);
   --data-grid-cell-crosshair-row-bg: rgb(174, 195, 224);
   --data-grid-cell-crosshair-col-bg: rgb(142, 170, 210);
   --data-grid-cell-dirty-bg: rgb(255, 248, 230);
@@ -15912,7 +15912,7 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
   --data-grid-row-number-new-bg: rgb(219, 244, 233);
   --data-grid-row-number-edited-bg: rgb(253, 241, 219);
   --data-grid-row-number-deleted-bg: rgb(255, 244, 244);
-  --data-grid-row-number-active-bg: rgb(244, 248, 255);
+  --data-grid-row-number-active-bg: rgb(219, 234, 254);
   --data-grid-row-number-selected-bg: rgb(191, 219, 254);
   --data-grid-scrollbar-thumb: color-mix(in oklch, var(--foreground) 30%, transparent);
   --data-grid-scrollbar-thumb-hover: color-mix(in oklch, var(--foreground) 48%, transparent);
@@ -15930,7 +15930,7 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
   --data-grid-row-muted-bg: rgb(40, 40, 43);
   --data-grid-row-new-bg: rgb(51, 51, 55);
   --data-grid-row-deleted-bg: rgb(55, 31, 32);
-  --data-grid-cell-active-bg: rgb(25, 34, 46);
+  --data-grid-cell-active-bg: rgb(27, 46, 70);
   --data-grid-cell-crosshair-row-bg: rgb(75, 84, 98);
   --data-grid-cell-crosshair-col-bg: rgb(98, 111, 130);
   --data-grid-cell-dirty-bg: rgb(94, 75, 26);
@@ -15946,7 +15946,7 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
   --data-grid-row-number-new-bg: rgb(33, 45, 40);
   --data-grid-row-number-edited-bg: rgb(48, 41, 28);
   --data-grid-row-number-deleted-bg: rgb(55, 31, 32);
-  --data-grid-row-number-active-bg: rgb(25, 34, 46);
+  --data-grid-row-number-active-bg: rgb(27, 46, 70);
   --data-grid-row-number-selected-bg: rgb(30, 64, 96);
   --data-grid-scrollbar-thumb: rgb(82, 82, 91);
   --data-grid-scrollbar-thumb-hover: rgb(113, 113, 122);
diff --git a/apps/desktop/src/lib/__tests__/dataGrid/dataGridPaintTheme.spec.ts b/apps/desktop/src/lib/__tests__/dataGrid/dataGridPaintTheme.spec.ts
index 7c63d78f7f..d7a7eae96b 100644
--- a/apps/desktop/src/lib/__tests__/dataGrid/dataGridPaintTheme.spec.ts
+++ b/apps/desktop/src/lib/__tests__/dataGrid/dataGridPaintTheme.spec.ts
@@ -39,7 +39,7 @@ function contrastRatio(a: string, b: string): number {
 }
 
 describe("data grid paint theme", () => {
-  it("uses a subtle active-row surface fallback in both color schemes", () => {
+  it("uses the active-row surface fallback in both color schemes", () => {
     expect(dataGridActiveRowBackground(false)).toBe(DATA_GRID_LIGHT_ACTIVE_ROW_BG);
     expect(dataGridActiveRowBackground(true)).toBe(DATA_GRID_DARK_ACTIVE_ROW_BG);
 
@@ -50,6 +50,20 @@ describe("data grid paint theme", () => {
     expect(resolveDataGridPaintTheme({ getVar: emptyCssVariable, isDark: true }).rowNumberActive).toBe(DATA_GRID_DARK_ACTIVE_ROW_BG);
   });
 
+  it("keeps the active row clearly visible yet lighter than the selected cell (#11649)", () => {
+    const emptyCssVariable = () => "";
+
+    for (const isDark of [false, true]) {
+      const theme = resolveDataGridPaintTheme({ getVar: emptyCssVariable, isDark });
+
+      // 活动行需与普通行底色拉开差距，避免看岔行
+      expect(contrastRatio(theme.background, theme.cellActive)).toBeGreaterThanOrEqual(1.15);
+      // 行内被点击的单元格仍须从活动行中凸显出来
+      expect(theme.cellActive).not.toBe(theme.cellSelected);
+      expect(contrastRatio(theme.cellActive, theme.cellSelectedSingle)).toBeGreaterThanOrEqual(1.1);
+    }
+  });
+
   it("resolves crosshair row/col fills in both color schemes", () => {
     const emptyCssVariable = () => "";
 
diff --git a/apps/desktop/src/lib/dataGrid/dataGridPaintTheme.ts b/apps/desktop/src/lib/dataGrid/dataGridPaintTheme.ts
index c2de1026dc..d2d93a33f1 100644
--- a/apps/desktop/src/lib/dataGrid/dataGridPaintTheme.ts
+++ b/apps/desktop/src/lib/dataGrid/dataGridPaintTheme.ts
@@ -43,8 +43,11 @@ export const DATA_GRID_DARK_SEARCH_COLORS = {
   current: "rgb(116, 87, 0)",
   currentBorder: "rgb(239, 177, 0)",
 } as const;
-export const DATA_GRID_LIGHT_ACTIVE_ROW_BG = "rgb(244, 248, 255)";
-export const DATA_GRID_DARK_ACTIVE_ROW_BG = "rgb(25, 34, 46)";
+// 活动行底色：需在白底/斑马纹上清晰可辨（避免看岔行，#11649），同时仍比选中格底色
+// （cellSelectedSingle）浅，使行内被点击的单元格依然突出。网格组件样式里的
+// --data-grid-cell-active-bg / --data-grid-row-number-active-bg 需与此保持一致。
+export const DATA_GRID_LIGHT_ACTIVE_ROW_BG = "rgb(219, 234, 254)";
+export const DATA_GRID_DARK_ACTIVE_ROW_BG = "rgb(27, 46, 70)";
 // 十字行/列底色：混入背景的实色（color-mix(in srgb, var(--primary) P%, var(--background))），
 // 而非透明叠加——铺在浅底上的半透明色会被冲淡到几乎不可见，对比度不足正 jira #7276 的核心痛点。
 // 行/列占 primary 34%/50%（CSS 方向：P% primary + 其余 background）；现有 28%/40% 在浅色