diff --git a/apps/web/src/components/ThemeProvider.tsx b/apps/web/src/components/ThemeProvider.tsx
index 6d4353f4..e24555bf 100644
--- a/apps/web/src/components/ThemeProvider.tsx
+++ b/apps/web/src/components/ThemeProvider.tsx
@@ -175,7 +175,7 @@ const EDITOR_THEME_STORAGE_KEY = "edgeever.editor-theme";
 const CUSTOM_EDITOR_THEME_STORAGE_KEY = "edgeever.custom-editor-theme";
 const CUSTOM_EDITOR_THEMES_STORAGE_KEY = "edgeever.custom-editor-themes";
 const LIGHT_THEME_COLOR = "#eef1f4";
-const DARK_THEME_COLOR = "#101311";
+const DARK_THEME_COLOR = "#101010";
 const AppearanceThemeContext = createContext<AppearanceThemeContextValue | null>(null);
 const MermaidThemeContext = createContext<MermaidThemeContextValue | null>(null);
 const MarkdownThemeContext = createContext<MarkdownThemeContextValue | null>(null);
diff --git a/apps/web/src/components/settings/NoteProseCssPreview.tsx b/apps/web/src/components/settings/NoteProseCssPreview.tsx
index 2c756a01..a7b1147a 100644
--- a/apps/web/src/components/settings/NoteProseCssPreview.tsx
+++ b/apps/web/src/components/settings/NoteProseCssPreview.tsx
@@ -10,8 +10,8 @@ const previewBaseCss = `
   color: #27272a;
 }
 .${NOTE_PROSE_CSS_PREVIEW_DARK_CLASS} .edgeever-editor {
-  background: #191e1b;
-  color: #dee3e0;
+  background: #1c1c1c;
+  color: #dedede;
 }
 .ProseMirror {
   margin: 0;
diff --git a/apps/web/src/lib/dark-theme.test.mjs b/apps/web/src/lib/dark-theme.test.mjs
index f97c879d..d84d269e 100644
--- a/apps/web/src/lib/dark-theme.test.mjs
+++ b/apps/web/src/lib/dark-theme.test.mjs
@@ -42,7 +42,7 @@ describe("dark theme contracts", () => {
     const memoCard = readFileSync(new URL("../components/MemoCard.tsx", import.meta.url), "utf8");
     expect(css).toContain(":root.dark .edgeever-public-share .ProseMirror");
     expect(css).toContain("color: hsl(var(--foreground));");
-    expect(css).toContain("--workspace-memo-divider: #3b4540;");
+    expect(css).toContain("--workspace-memo-divider: #404040;");
     expect(css).toContain(":root.dark .edgeever-workspace-memo-list .edgeever-memo-divider");
     expect(memoCard).toContain("edgeever-memo-divider");
     expect(memoCard).not.toContain("dark:lg:border-slate-300");
@@ -67,21 +67,22 @@ describe("dark theme contracts", () => {
   test("workspace dark surfaces stay neutral and bundled editor themes blend into the canvas", () => {
     const css = readFileSync(new URL("../styles/globals.css", import.meta.url), "utf8");
 
-    expect(css).toContain("--workspace-canvas: #101311;");
-    expect(css).toContain("--workspace-sidebar: #121612;");
-    expect(css).toContain("--workspace-memo-list: #151a17;");
-    expect(css).toContain("--workspace-editor: #191e1b;");
+    expect(css).toContain("--workspace-canvas: #101010;");
+    expect(css).toContain("--workspace-sidebar: #141414;");
+    expect(css).toContain("--workspace-memo-list: #181818;");
+    expect(css).toContain("--workspace-editor: #1c1c1c;");
+    expect(css).toContain("--slate-500-rgb: 161 161 161;");
     expect(css).toContain(':not([data-editor-theme="custom"])');
     expect(css).toContain("--editor-theme-bg: var(--workspace-editor);");
-    expect(contrastRatio("#cad4ce", "#191e1b")).toBeGreaterThanOrEqual(4.5);
-    expect(contrastRatio("#9aa9a0", "#191e1b")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#dedede", "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#a3a3a3", "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
   });
 
   test("dark chrome uses workspace tokens instead of leftover blue-slate", () => {
     const css = readFileSync(new URL("../styles/globals.css", import.meta.url), "utf8");
 
-    expect(css).toContain("--tooltip-bg: #2c3330;");
-    expect(css).toContain("--scrollbar-thumb: rgb(137 150 142 / 0.38);");
+    expect(css).toContain("--tooltip-bg: #2c2c2c;");
+    expect(css).toContain("--scrollbar-thumb: rgb(145 145 145 / 0.38);");
     expect(css).toContain("--search-match: rgb(22 160 110 / 0.32);");
     expect(css).toContain(":root.dark .ProseMirror .edgeever-mermaid-preview");
     expect(css).toContain("background: var(--workspace-editor);");
@@ -97,9 +98,9 @@ describe("dark theme contracts", () => {
       const { tokens } = readDarkThemeTokens(theme);
 
       expect(tokens.bg).toBe("var(--workspace-editor)");
-      expect(contrastRatio(tokens.text, "#191e1b")).toBeGreaterThanOrEqual(4.5);
-      expect(contrastRatio(tokens.heading, "#191e1b")).toBeGreaterThanOrEqual(4.5);
-      expect(contrastRatio(tokens.accent, "#191e1b")).toBeGreaterThanOrEqual(3);
+      expect(contrastRatio(tokens.text, "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
+      expect(contrastRatio(tokens.heading, "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
+      expect(contrastRatio(tokens.accent, "#1c1c1c")).toBeGreaterThanOrEqual(3);
       expect(contrastRatio(tokens.muted, tokens.soft)).toBeGreaterThanOrEqual(4.5);
       expect(contrastRatio(tokens["code-text"], tokens["code-bg"])).toBeGreaterThanOrEqual(4.5);
     }
diff --git a/apps/web/src/lib/ui-palette.test.mjs b/apps/web/src/lib/ui-palette.test.mjs
index 779561fd..57d3c653 100644
--- a/apps/web/src/lib/ui-palette.test.mjs
+++ b/apps/web/src/lib/ui-palette.test.mjs
@@ -27,7 +27,7 @@ describe("application color system", () => {
     expect(globals).not.toContain("--accent-foreground: 158 70% 25%;");
     expect(globals).toContain("--switch-track-on: #525252;");
     expect(globals).toContain("--checkbox-on: #525252;");
-    expect(globals).toContain("--switch-track-on: #e7ebe8;");
+    expect(globals).toContain("--switch-track-on: #e8e8e8;");
     expect(switchSource).toContain("data-[state=checked]:bg-[var(--switch-track-on)]");
     expect(switchSource).not.toContain("bg-emerald-500");
     expect(checkbox).toContain("data-[state=checked]:bg-[var(--checkbox-on)]");
@@ -35,7 +35,7 @@ describe("application color system", () => {
     expect(settings).not.toContain("text-emerald-");
     expect(contrastRatio("#ffffff", "#525252")).toBeGreaterThanOrEqual(4.5);
     expect(contrastRatio("#ffffff", "#1a1d21")).toBeGreaterThanOrEqual(4.5);
-    expect(contrastRatio("#101311", "#e7ebe8")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#101010", "#e8e8e8")).toBeGreaterThanOrEqual(4.5);
   });
 
   test("keeps the light workspace on a cool gray palette while preserving text hierarchy", () => {
@@ -62,15 +62,17 @@ describe("application color system", () => {
     expect(contrastRatio("#737373", "#f8fafb")).toBeGreaterThanOrEqual(4.5);
   });
 
-  test("keeps dark workspace surfaces distinct without blue-black color casts", () => {
-    expect(globals).toContain("--workspace-canvas: #101311;");
-    expect(globals).toContain("--workspace-sidebar: #121612;");
-    expect(globals).toContain("--workspace-memo-list: #151a17;");
-    expect(globals).toContain("--workspace-editor: #191e1b;");
+  test("keeps dark workspace surfaces distinct and neutral", () => {
+    expect(globals).toContain("--workspace-canvas: #101010;");
+    expect(globals).toContain("--workspace-sidebar: #141414;");
+    expect(globals).toContain("--workspace-memo-list: #181818;");
+    expect(globals).toContain("--workspace-editor: #1c1c1c;");
+    expect(globals).toContain("--foreground: 0 0% 87%;");
+    expect(globals).toContain("--border: 0 0% 23%;");
     expect(globals).toContain("--amber-300-rgb: 180 83 9;");
     expect(globals).not.toContain("scrollbar-color: rgba(100, 116, 139, 0.18)");
-    expect(contrastRatio("#cad4ce", "#191e1b")).toBeGreaterThanOrEqual(4.5);
-    expect(contrastRatio("#9aa9a0", "#191e1b")).toBeGreaterThanOrEqual(4.5);
-    expect(contrastRatio("#84948a", "#191e1b")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#dedede", "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#a3a3a3", "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
+    expect(contrastRatio("#a0a0a0", "#1c1c1c")).toBeGreaterThanOrEqual(4.5);
   });
 });
diff --git a/apps/web/src/styles/editor-themes/minimal-emerald.css b/apps/web/src/styles/editor-themes/minimal-emerald.css
index a640fbdd..69065a99 100644
--- a/apps/web/src/styles/editor-themes/minimal-emerald.css
+++ b/apps/web/src/styles/editor-themes/minimal-emerald.css
@@ -16,13 +16,13 @@
 
 :root.dark .edgeever-editor[data-editor-theme="minimal-emerald"]:not([data-editor-theme="default"]) {
   --editor-theme-bg: var(--workspace-editor);
-  --editor-theme-text: #d8e0db;
-  --editor-theme-muted: #97a59c;
-  --editor-theme-heading: #f0f4f1;
+  --editor-theme-text: #dedede;
+  --editor-theme-muted: #a3a3a3;
+  --editor-theme-heading: #f2f2f2;
   --editor-theme-accent: #4fd1a1;
-  --editor-theme-soft: #202923;
-  --editor-theme-border: #314039;
-  --editor-theme-code-bg: #111713;
+  --editor-theme-soft: #252525;
+  --editor-theme-border: #3b3b3b;
+  --editor-theme-code-bg: #151515;
   --editor-theme-code-text: #7ee0bc;
 }
 
diff --git a/apps/web/src/styles/editor-themes/modern-mint.css b/apps/web/src/styles/editor-themes/modern-mint.css
index 6404ba7b..744711f3 100644
--- a/apps/web/src/styles/editor-themes/modern-mint.css
+++ b/apps/web/src/styles/editor-themes/modern-mint.css
@@ -16,13 +16,13 @@
 
 :root.dark .edgeever-editor[data-editor-theme="modern-mint"]:not([data-editor-theme="default"]) {
   --editor-theme-bg: var(--workspace-editor);
-  --editor-theme-text: #d2ded9;
-  --editor-theme-muted: #90a49b;
-  --editor-theme-heading: #eff6f3;
+  --editor-theme-text: #dcdcdc;
+  --editor-theme-muted: #a1a1a1;
+  --editor-theme-heading: #f1f1f1;
   --editor-theme-accent: #2dc9ac;
-  --editor-theme-soft: #1b2b25;
-  --editor-theme-border: #2f473e;
-  --editor-theme-code-bg: #101916;
+  --editor-theme-soft: #242424;
+  --editor-theme-border: #3c3c3c;
+  --editor-theme-code-bg: #141414;
   --editor-theme-code-text: #66e5c7;
 }
 
diff --git a/apps/web/src/styles/editor-themes/outline-emerald.css b/apps/web/src/styles/editor-themes/outline-emerald.css
index a16d7c53..95bbb8db 100644
--- a/apps/web/src/styles/editor-themes/outline-emerald.css
+++ b/apps/web/src/styles/editor-themes/outline-emerald.css
@@ -16,14 +16,14 @@
 
 :root.dark .edgeever-editor[data-editor-theme="outline-emerald"]:not([data-editor-theme="default"]) {
   --editor-theme-bg: var(--workspace-editor);
-  --editor-theme-text: #d3dcd6;
-  --editor-theme-muted: #8f9e95;
-  --editor-theme-heading: #f3f6f4;
+  --editor-theme-text: #dcdcdc;
+  --editor-theme-muted: #a0a0a0;
+  --editor-theme-heading: #f3f3f3;
   --editor-theme-accent: #66d6ae;
-  --editor-theme-soft: #1d2822;
-  --editor-theme-border: #36463d;
-  --editor-theme-code-bg: #0f1411;
-  --editor-theme-code-text: #dbe6df;
+  --editor-theme-soft: #242424;
+  --editor-theme-border: #404040;
+  --editor-theme-code-bg: #141414;
+  --editor-theme-code-text: #e2e2e2;
 }
 
 .edgeever-editor[data-editor-theme="outline-emerald"]:not([data-editor-theme="default"]) .ProseMirror {
diff --git a/apps/web/src/styles/editor-themes/wechat-green.css b/apps/web/src/styles/editor-themes/wechat-green.css
index 335924e4..0e5f9b1d 100644
--- a/apps/web/src/styles/editor-themes/wechat-green.css
+++ b/apps/web/src/styles/editor-themes/wechat-green.css
@@ -16,13 +16,13 @@
 
 :root.dark .edgeever-editor[data-editor-theme="wechat-green"]:not([data-editor-theme="default"]) {
   --editor-theme-bg: var(--workspace-editor);
-  --editor-theme-text: #d7ded9;
-  --editor-theme-muted: #9aa69e;
-  --editor-theme-heading: #f5f7f5;
+  --editor-theme-text: #dedede;
+  --editor-theme-muted: #a3a3a3;
+  --editor-theme-heading: #f5f5f5;
   --editor-theme-accent: #3ecf78;
-  --editor-theme-soft: #1c2a21;
-  --editor-theme-border: #314439;
-  --editor-theme-code-bg: #111a15;
+  --editor-theme-soft: #252525;
+  --editor-theme-border: #3b3b3b;
+  --editor-theme-code-bg: #151515;
   --editor-theme-code-text: #70dfa0;
 }
 
diff --git a/apps/web/src/styles/globals.css b/apps/web/src/styles/globals.css
index d86a78b4..a351a374 100644
--- a/apps/web/src/styles/globals.css
+++ b/apps/web/src/styles/globals.css
@@ -369,58 +369,58 @@
 
 :root.dark {
   color-scheme: dark;
-  --background: 150 8% 8%;
-  --foreground: 144 9% 88%;
-  --card: 150 10% 13%;
-  --card-foreground: 144 9% 88%;
-  --popover: 150 10% 14%;
-  --popover-foreground: 144 9% 88%;
-  --primary: 140 10% 92%;
-  --primary-foreground: 150 12% 8%;
-  --secondary: 150 8% 18%;
-  --secondary-foreground: 140 10% 90%;
-  --muted: 150 8% 18%;
-  --muted-foreground: 145 8% 62%;
-  --accent: 140 8% 18%;
-  --accent-foreground: 140 10% 93%;
+  --background: 0 0% 7%;
+  --foreground: 0 0% 87%;
+  --card: 0 0% 12%;
+  --card-foreground: 0 0% 87%;
+  --popover: 0 0% 13%;
+  --popover-foreground: 0 0% 87%;
+  --primary: 0 0% 92%;
+  --primary-foreground: 0 0% 7%;
+  --secondary: 0 0% 18%;
+  --secondary-foreground: 0 0% 90%;
+  --muted: 0 0% 18%;
+  --muted-foreground: 0 0% 63%;
+  --accent: 0 0% 18%;
+  --accent-foreground: 0 0% 93%;
   --destructive: 0 72% 51%;
-  --destructive-foreground: 144 12% 96%;
-  --border: 150 10% 23%;
-  --input: 150 10% 23%;
-  --ring: 140 8% 75%;
-  --workspace-canvas: #101311;
-  --workspace-sidebar: #121612;
-  --workspace-memo-list: #151a17;
-  --workspace-editor: #191e1b;
-  --workspace-divider: #2a312d;
-  --workspace-memo-divider: #3b4540;
-  --workspace-selection: #1d3028;
+  --destructive-foreground: 0 0% 96%;
+  --border: 0 0% 23%;
+  --input: 0 0% 23%;
+  --ring: 0 0% 75%;
+  --workspace-canvas: #101010;
+  --workspace-sidebar: #141414;
+  --workspace-memo-list: #181818;
+  --workspace-editor: #1c1c1c;
+  --workspace-divider: #303030;
+  --workspace-memo-divider: #404040;
+  --workspace-selection: #303030;
   --workspace-hover: color-mix(in srgb, var(--workspace-sidebar) 82%, white);
-  --memo-content-divider-color: #e7ebe8;
-  --tooltip-bg: #2c3330;
-  --tooltip-fg: #d7dfda;
-  --tooltip-border: #3e4944;
+  --memo-content-divider-color: #e8e8e8;
+  --tooltip-bg: #2c2c2c;
+  --tooltip-fg: #dedede;
+  --tooltip-border: #454545;
   --tooltip-shadow: 0 1px 2px rgb(0 0 0 / 0.28), 0 8px 20px rgb(0 0 0 / 0.32);
-  --scrollbar-thumb: rgb(137 150 142 / 0.38);
-  --scrollbar-thumb-hover: rgb(137 150 142 / 0.55);
+  --scrollbar-thumb: rgb(145 145 145 / 0.38);
+  --scrollbar-thumb-hover: rgb(145 145 145 / 0.55);
   --search-match: rgb(22 160 110 / 0.32);
   --search-match-active: rgb(36 185 134 / 0.48);
-  --switch-thumb: #eef2ef;
-  --switch-track-on: #e7ebe8;
-  --switch-thumb-on: #101311;
-  --checkbox-on: #e7ebe8;
-  --checkbox-mark: #101311;
-  --slate-50-rgb: 15 20 17;
-  --slate-100-rgb: 21 28 24;
-  --slate-200-rgb: 38 49 43;
-  --slate-300-rgb: 110 124 116;
-  --slate-400-rgb: 132 148 138;
-  --slate-500-rgb: 154 169 160;
-  --slate-600-rgb: 182 195 187;
-  --slate-700-rgb: 202 212 206;
-  --slate-800-rgb: 221 229 224;
-  --slate-900-rgb: 233 239 235;
-  --slate-950-rgb: 238 243 240;
+  --switch-thumb: #f0f0f0;
+  --switch-track-on: #e8e8e8;
+  --switch-thumb-on: #101010;
+  --checkbox-on: #e8e8e8;
+  --checkbox-mark: #101010;
+  --slate-50-rgb: 17 17 17;
+  --slate-100-rgb: 25 25 25;
+  --slate-200-rgb: 43 43 43;
+  --slate-300-rgb: 116 116 116;
+  --slate-400-rgb: 140 140 140;
+  --slate-500-rgb: 161 161 161;
+  --slate-600-rgb: 188 188 188;
+  --slate-700-rgb: 208 208 208;
+  --slate-800-rgb: 226 226 226;
+  --slate-900-rgb: 238 238 238;
+  --slate-950-rgb: 244 244 244;
   --amber-50-rgb: 69 26 3;
   --amber-100-rgb: 80 30 5;
   --amber-200-rgb: 146 64 14;
@@ -439,7 +439,7 @@
   --rose-800-rgb: 254 205 211;
   --rose-950-rgb: 255 241 242;
   --blue-600-rgb: 147 197 253;
-  --dark-surface-rgb: 25 30 27;
+  --dark-surface-rgb: 28 28 28;
   --brand-green: #16a06e;
   --brand-green-hover: #24b986;
   --brand-green-muted: #183a31;