diff --git a/packages/opencode/src/cli/cmd/tui/context/theme.tsx b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
index 2320c08ccc6..59e0eec252e 100644
--- a/packages/opencode/src/cli/cmd/tui/context/theme.tsx
+++ b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
@@ -52,6 +52,7 @@ type ThemeColors = {
   success: RGBA
   info: RGBA
   text: RGBA
+  sessionTitle: RGBA
   textMuted: RGBA
   selectedListItemText: RGBA
   background: RGBA
@@ -131,9 +132,10 @@ type ColorValue = HexColor | RefName | Variant | RGBA
 type ThemeJson = {
   $schema?: string
   defs?: Record<string, HexColor | RefName>
-  theme: Omit<Record<keyof ThemeColors, ColorValue>, "selectedListItemText" | "backgroundMenu"> & {
+  theme: Omit<Record<keyof ThemeColors, ColorValue>, "selectedListItemText" | "backgroundMenu" | "sessionTitle"> & {
     selectedListItemText?: ColorValue
     backgroundMenu?: ColorValue
+    sessionTitle?: ColorValue
     thinkingOpacity?: number
   }
 }
@@ -199,7 +201,7 @@ function resolveTheme(theme: ThemeJson, mode: "dark" | "light") {
 
   const resolved = Object.fromEntries(
     Object.entries(theme.theme)
-      .filter(([key]) => key !== "selectedListItemText" && key !== "backgroundMenu" && key !== "thinkingOpacity")
+      .filter(([key]) => key !== "selectedListItemText" && key !== "backgroundMenu" && key !== "thinkingOpacity" && key !== "sessionTitle")
       .map(([key, value]) => {
         return [key, resolveColor(value as ColorValue)]
       }),
@@ -222,6 +224,13 @@ function resolveTheme(theme: ThemeJson, mode: "dark" | "light") {
     resolved.backgroundMenu = resolved.backgroundElement
   }
 
+  // Handle sessionTitle - optional with fallback to text
+  if (theme.theme.sessionTitle !== undefined) {
+    resolved.sessionTitle = resolveColor(theme.theme.sessionTitle)
+  } else {
+    resolved.sessionTitle = resolved.text
+  }
+
   // Handle thinkingOpacity - optional with default of 0.6
   const thinkingOpacity = theme.theme.thinkingOpacity ?? 0.6
 
diff --git a/packages/opencode/src/cli/cmd/tui/routes/session/header.tsx b/packages/opencode/src/cli/cmd/tui/routes/session/header.tsx
index f64dbe533a7..930a9c09baf 100644
--- a/packages/opencode/src/cli/cmd/tui/routes/session/header.tsx
+++ b/packages/opencode/src/cli/cmd/tui/routes/session/header.tsx
@@ -13,7 +13,7 @@ import { useTerminalDimensions } from "@opentui/solid"
 const Title = (props: { session: Accessor<Session> }) => {
   const { theme } = useTheme()
   return (
-    <text fg={theme.text}>
+    <text fg={theme.sessionTitle}>
       <span style={{ bold: true }}>#</span> <span style={{ bold: true }}>{props.session().title}</span>
     </text>
   )
diff --git a/packages/opencode/src/cli/cmd/tui/routes/session/sidebar.tsx b/packages/opencode/src/cli/cmd/tui/routes/session/sidebar.tsx
index 42ac5fbe080..02c11b5619e 100644
--- a/packages/opencode/src/cli/cmd/tui/routes/session/sidebar.tsx
+++ b/packages/opencode/src/cli/cmd/tui/routes/session/sidebar.tsx
@@ -91,7 +91,7 @@ export function Sidebar(props: { sessionID: string; overlay?: boolean }) {
         >
           <box flexShrink={0} gap={1} paddingRight={1}>
             <box paddingRight={1}>
-              <text fg={theme.text}>
+              <text fg={theme.sessionTitle}>
                 <b>{session().title}</b>
               </text>
               <Show when={session().share?.url}>