diff --git a/packages/opencode/src/cli/cmd/tui/context/theme.tsx b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
index d786e0b4918..0768ca5f5ab 100644
--- a/packages/opencode/src/cli/cmd/tui/context/theme.tsx
+++ b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
@@ -53,6 +53,7 @@ type ThemeColors = {
   info: RGBA
   text: RGBA
   textMuted: RGBA
+  toolOutput: RGBA
   selectedListItemText: RGBA
   background: RGBA
   backgroundPanel: 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" | "toolOutput"> & {
     selectedListItemText?: ColorValue
     backgroundMenu?: ColorValue
+    toolOutput?: 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 !== "toolOutput")
       .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 toolOutput - optional with fallback to text
+  if (theme.theme.toolOutput !== undefined) {
+    resolved.toolOutput = resolveColor(theme.theme.toolOutput)
+  } else {
+    resolved.toolOutput = 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/index.tsx b/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
index 0d9ddc746c2..4043c777f9a 100644
--- a/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
@@ -1614,7 +1614,7 @@ function GenericTool(props: ToolProps<any>) {
         onClick={overflow() ? () => setExpanded((prev) => !prev) : undefined}
       >
         <box gap={1}>
-          <text fg={theme.text}>{limited()}</text>
+          <text fg={theme.toolOutput}>{limited()}</text>
           <Show when={overflow()}>
             <text fg={theme.textMuted}>{expanded() ? "Click to collapse" : "Click to expand"}</text>
           </Show>
@@ -1824,7 +1824,7 @@ function Bash(props: ToolProps<typeof BashTool>) {
           <box gap={1}>
             <text fg={theme.text}>$ {props.input.command}</text>
             <Show when={output()}>
-              <text fg={theme.text}>{limited()}</text>
+          <text fg={theme.toolOutput}>{limited()}</text>
             </Show>
             <Show when={overflow()}>
               <text fg={theme.textMuted}>{expanded() ? "Click to collapse" : "Click to expand"}</text>