diff --git a/.changeset/named-color-violation-tui.md b/.changeset/named-color-violation-tui.md
new file mode 100644
index 00000000..4e226e35
--- /dev/null
+++ b/.changeset/named-color-violation-tui.md
@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Replace chalk named color with theme-aware hex in session-directory warning.
diff --git a/apps/kimi-code/src/cli/run-prompt.ts b/apps/kimi-code/src/cli/run-prompt.ts
index e639aed0..e9f4505e 100644
--- a/apps/kimi-code/src/cli/run-prompt.ts
+++ b/apps/kimi-code/src/cli/run-prompt.ts
@@ -166,7 +166,7 @@ async function resolvePromptSession(
     }
     if (target.workDir !== workDir) {
       stderr.write(
-        `${chalk.yellow(
+        `${chalk.hex('#E8A838')(
           `Session "${opts.session}" was created under a different directory.\n` +
             `  cd "${target.workDir}" && kimi -r ${opts.session}`,
         )}\n\n`,
diff --git a/apps/kimi-code/src/tui/kimi-tui.ts b/apps/kimi-code/src/tui/kimi-tui.ts
index 68258aaa..910fd26c 100644
--- a/apps/kimi-code/src/tui/kimi-tui.ts
+++ b/apps/kimi-code/src/tui/kimi-tui.ts
@@ -467,7 +467,7 @@ export class KimiTUI {
           if (target.workDir !== workDir) {
             this.state.ui.stop();
             process.stderr.write(
-              `${chalk.yellow(
+              `${chalk.hex(this.state.theme.colors.warning)(
                 `Session "${startup.sessionFlag}" was created under a different directory.\n` +
                   `  cd "${target.workDir}" && kimi -r ${startup.sessionFlag}`,
               )}\n\n`,
diff --git a/apps/kimi-code/test/tui/chalk-named-color-guard.test.ts b/apps/kimi-code/test/tui/chalk-named-color-guard.test.ts
new file mode 100644
index 00000000..e37a1187
--- /dev/null
+++ b/apps/kimi-code/test/tui/chalk-named-color-guard.test.ts
@@ -0,0 +1,74 @@
+import { readFileSync, readdirSync } from 'node:fs';
+import { join, relative } from 'node:path';
+
+import { describe, expect, it } from 'vitest';
+
+const SRC_ROOT = join(__dirname, '..', '..', 'src');
+
+const NAMED_COLORS = [
+  'red', 'green', 'yellow', 'blue', 'magenta', 'cyan',
+  'white', 'gray', 'grey', 'black',
+  'blackBright', 'whiteBright', 'redBright', 'greenBright',
+  'yellowBright', 'blueBright', 'magentaBright', 'cyanBright',
+];
+
+const CHALK_NAMED_PATTERN = new RegExp(
+  `chalk\\.(${NAMED_COLORS.join('|')})\\(`,
+);
+
+function walk(dir: string, files: string[] = []): string[] {
+  try {
+    for (const entry of readdirSync(dir, { withFileTypes: true })) {
+      const p = join(dir, entry.name);
+      if (entry.isDirectory()) {
+        walk(p, files);
+      } else if (entry.name.endsWith('.ts') && !entry.name.endsWith('.test.ts') && !entry.name.endsWith('.spec.ts')) {
+        files.push(p);
+      }
+    }
+  } catch { /* skip */ }
+  return files;
+}
+
+describe('chalk named color guard', () => {
+  it('forbids chalk named colors in production source code', () => {
+    const offenders: { file: string; line: number; snippet: string }[] = [];
+    const files = walk(SRC_ROOT);
+    let inBlockComment = false;
+    for (const file of files) {
+      const content = readFileSync(file, 'utf8');
+      const lines = content.split('\n');
+      for (let i = 0; i < lines.length; i++) {
+        const line = lines[i] ?? '';
+        const trimmed = line.trimStart();
+
+        if (inBlockComment) {
+          if (trimmed.includes('*/')) inBlockComment = false;
+          continue;
+        }
+
+        if (trimmed.startsWith('/*')) {
+          if (!trimmed.includes('*/')) inBlockComment = true;
+          continue;
+        }
+
+        if (trimmed.startsWith('//') || trimmed.startsWith('*')) continue;
+
+        CHALK_NAMED_PATTERN.lastIndex = 0;
+        const m = CHALK_NAMED_PATTERN.exec(line);
+        if (m) {
+          offenders.push({
+            file: relative(SRC_ROOT, file),
+            line: i + 1,
+            snippet: line.trim(),
+          });
+        }
+      }
+    }
+    expect(
+      offenders,
+      `Found chalk named color usages. Use chalk.hex(colors.<token>) or theme styles instead.\n` +
+        offenders.map((o) => `  ${o.file}:${String(o.line)}  ${o.snippet}`).join('\n'),
+    ).toEqual([]);
+  });
+});
diff --git a/apps/kimi-code/test/tui/terminal-theme.test.ts b/apps/kimi-code/test/tui/terminal-theme.test.ts
index 68a1818b..05537837 100644
--- a/apps/kimi-code/test/tui/terminal-theme.test.ts
+++ b/apps/kimi-code/test/tui/terminal-theme.test.ts
@@ -1,6 +1,8 @@
 import { describe, expect, it, vi } from "vitest";
 
 import type { TUIState } from "#/tui/kimi-tui";
+import { darkColors, lightColors, getColorPalette } from "#/tui/theme/colors";
+import { createThemeStyles } from "#/tui/theme/styles";
 import {
   DISABLE_TERMINAL_THEME_REPORTING,
   ENABLE_TERMINAL_THEME_REPORTING,
@@ -158,3 +160,38 @@ describe("terminal theme tracking", () => {
     expect(state.terminal.write).toHaveBeenCalledWith(DISABLE_TERMINAL_THEME_REPORTING);
   });
 });
+
+describe('ColorPalette warning token', () => {
+  it('has a defined warning color in both themes', () => {
+    expect(darkColors.warning).toBeTruthy();
+    expect(lightColors.warning).toBeTruthy();
+    expect(darkColors.warning).not.toBe(lightColors.warning);
+  });
+
+  it('resolves the correct palette by theme name', () => {
+    expect(getColorPalette('dark')).toBe(darkColors);
+    expect(getColorPalette('light')).toBe(lightColors);
+  });
+});
+
+describe('ThemeStyles warning helper', () => {
+  it('wraps text and includes the input', () => {
+    const styles = createThemeStyles(darkColors);
+    const result = styles.warning('test');
+    expect(result).toContain('test');
+  });
+
+  it('is a function that returns a string', () => {
+    const darkStyles = createThemeStyles(darkColors);
+    expect(typeof darkStyles.warning).toBe('function');
+    expect(typeof darkStyles.warning('hello')).toBe('string');
+  });
+
+  it('creates independent style sets per palette', () => {
+    const darkStyles = createThemeStyles(darkColors);
+    const lightStyles = createThemeStyles(lightColors);
+    expect(darkStyles.colors.warning).toBe(darkColors.warning);
+    expect(lightStyles.colors.warning).toBe(lightColors.warning);
+    expect(darkStyles.colors.warning).not.toBe(lightStyles.colors.warning);
+  });
+});