diff --git a/crates/agent/src/message_editor.rs b/crates/agent/src/message_editor.rs
index 924ed797660463809aa8fc9d9b066a97d3384afb..79790c7ac4db7d96fd9b9cdfa641b650c0d86a19 100644
--- a/crates/agent/src/message_editor.rs
+++ b/crates/agent/src/message_editor.rs
@@ -428,6 +428,7 @@ impl MessageEditor {
         Some(
             IconButton::new("max-mode", IconName::ZedMaxMode)
                 .icon_size(IconSize::Small)
+                .icon_color(Color::Muted)
                 .toggle_state(active_completion_mode == Some(CompletionMode::Max))
                 .on_click(cx.listener(move |this, _event, _window, cx| {
                     this.thread.update(cx, |thread, _cx| {